The story that has made the front page of the Herald this morning and dominated the conversation was the leadership of Prime Minister Christopher Luxon. He is facing what party insiders describe as “the most difficult fortnight of his leadership”, with growing speculation about his support within National's caucus as Parliament returns next week. Sources say that the whip, Stuart Smith, tried to present Christopher Luxon with evidence that caucus backing for his leadership had weakened. He tried to do that before Easter, but Christopher Luxon did not want to hear this. They did not have the meeting. It's understood those who believe Luxon should step aside might act in the next two weeks, although a formal leadership challenge or confidence vote is still seen as unlikely. Instead, the preferred option amongst critics appears to be having a good old chat with Christopher Luxon with evidence of his diminished support within his caucus, and that might prompt him to resign or step aside and bring about a change of leader. Now, if that doesn't happen, a challenge could follow, but there's no declared challenger at this stage.

All of this is at a critical time. Parliament's back for a short sitting block before recessing again ahead of the Budget. Here comes the Budget. Political analysts say removing a Prime Minister during the Budget period risks destabilising the Government. So it's this next fortnight or not, because after that we're into Budget time and that would be even worse for National.

National Minister Chris Bishop, who has been widely rumoured as a potential contender, was on the radio with Mike Hosking this morning. He came on to talk about the changes to the Warrants of Fitness, but instead he got a little surprise of talk of a coup. Chris Bishop described the situation as “untidy and unhelpful”. He said there's no leadership challenge underway, and he said he will not be the National leader before the election. But the general consensus to that interview was that he was being a little shifty, and he knows a lot more than he was letting on. How could he not know the feeling in the caucus? He's around there the whole time. How could he not know that three guys had actually come to Thomas Coughlan? But he claimed he didn't.

Furthermore, can I just remind you that Chris Bishop is scheduled for an interview with Jack Tame on Q&A on Sunday, so you know this issue is going to continue bubbling away. Behind the scenes, tensions were already evident before Parliament recessed. We reported, everybody reported, that Christopher Luxon faced pressure from within caucus during the final sitting week and he ended up reshuffling the party, hopefully to stabilise it, but look at this, it's still rumbling on. When party whip Stuart Smith got ghosted by Christopher Luxon, he ended up raising all his concerns with deputy leader Nicola Willis instead. We've got a poll out right now and those numbers are adding to the pressure. National is currently sitting well below Labour and another major poll is due next week. So, all eyes are now on the coming days and how Christopher Luxon and his senior colleagues respond.

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Bunnings have begun rolling out facial recognition technology in its New Zealand stores, saying it's needed to protect staff and customers because violent incidents continue to rise, despite the fact we've got tough on crime, and we've had a bit of a crackdown. The first two stores to switch on the facial recognition technology are in Te Rapa and Hamilton South, both in the Waikato, but a nationwide rollout is planned. The company says the technology will help identify serious repeat offenders, it will reduce theft, and they do this after what they say is a sharp increase in threatening behaviour.

Now this whole thing has taken forever for Bunnings. In Australia, Bunnings fought for four years to get permission to do this. There were courts involved, there were tribunals involved, there was a lot of controversy, and a four-year battle. Here, for Bunnings, it's only taken six months because Foodstuffs had already got approval from the Privacy Commissioner, so the hard work was done. But even so, six months for Bunnings to finally roll out a little bit of facial recognition in their stores. They worked hard at it, they've been taking privacy guidance. The Foodstuffs trial last year scanned 225 million faces and they deleted all the images within a minute, but there were concerns at the time about misidentification and bias and the need for strong safeguards, so Bunnings worked away at all of this. They hired a Māori digital sovereignty expert —who knew such a thing existed or was even needed— to make sure cultural considerations are built in. There is bilingual signage for the facial recognition, and if you think you've been wrongly identified as a bad guy, there are clear pathways for you to object to all of this.

But you know, all this kafuffle about getting the permission shows all of us that there are still a load of people in this world who do not like the idea. There's more issues to come, but are you worried about the rise and rise and rise of facial recognition technology? Or do you have no problem with it because it's a tool to fight crime?

Now all of this reminds me of debates I used to listen to on when Leighton Smith used to do this show. And he would do a show and it's all about freedom and liberty, and people would come on and say, “Oh, there's no problem, no problem at all, mate. If you've got nothing to hide, you've got nothing to fear." And Leighton would say, “Yes, but bit by bit, little by little, our personal freedom and liberty is being stripped and replaced by an all-powerful state monitoring our every step and then controlling the way we behave. It's the threat of Big Brother." But the difference now that time has passed, it's not actually the state that's doing all the facial recognition, it's the corporate world.

So it's not the state, it's the corporates, and the corporates seem to want to know every little thing about us. Your phone is monitoring where you are, what you do, what you look at, it's telling you what to think. And I get tired of being told what I should be listening to next by Spotify because they've looked at what I've listened to before and said, “well, this is you," and I go, “well, actually, I'm a broader, wider person than that, and stop bothering me." I'm tired of my car telling me how to drive, “your tyres are a little flat, would you like to check into the service centre?" No, I would not. I don't have the time right now. Would you shut up, car? I'm trying to drive.

Facial recognition technology, do you have any problem with it? And I know you do because look how long it's taken to get approval and how many people have had conniptions about it and had worries about it, and the Privacy Commissioner has spent millions on it just investigating this sort of thing. Is this the rise and rise of Big Brother, or is this necessary as we fight crime?

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A community split in Central Otago as the fast-track panel considers a gold-mine proposal from Australian company, Bendigo-Ophir.

Santana Minerals estimates it could extract $4.4 billion of gold from hills above the Clutha River with open pit and underground mining

Parliamentary Commissioner for the Environment Simon Upton warns it has considerable environmental risk.

Local mayor Tamah Alley told Andrew Dickens people feel strongly.

She says many are pro-mining and want the jobs and money, but others are vehemently opposed.

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Let's talk about something that is very crucial to our economy and that's the India Free Trade Deal. We are an exporter. We live because of what we export from the farms and in particular free trade deals help. So New Zealand's major exporters turned up the pressure on Parliament yesterday, urging all political parties to support the country's proposed free trade agreement with India. 28 exporters and industry groups including Federated Farmers, Zespri, Seafood New Zealand, Beef + Lamb New Zealand, they all signed an open letter organised by Business New Zealand and they described this free trade agreement as a strategic necessity for New Zealand's economic security.

Remember the Government confirmed that negotiations with India wrapped up way back in December, but they still need sign off. Support from Winston Peters and New Zealand First has been withheld, largely over immigration concerns. What's in this deal that could allow even more immigrants from India to come here, and will they be able to drag a whole lot of their family with them? That's all been disputed in many ways, but it's enough to turn Winston off the deal. That means the Government now needs Labour's backing to pass the deal and Labour says, well we don't know the deal. We don't know all the deal. We're still waiting for key details before making a decision. So they're withholding their support as well. So now the Government has a negotiated free trade deal, but it doesn't have the numbers in Parliament to pass it, so that's a roadblock.

Business New Zealand chief executive Catherine Rich says bipartisan support, support from all the political parties is essential for New Zealand's long term trade stability. She argues that with global protectionism all over the place, supply chain uncertainty all over the place, we need access to India, which is expected to become the world's third largest economy by 2030. There's a lot of business there, there's a lot of money and here we're given a foray into it. She says this is vital for exporters across horticulture, meat, seafood, wine, honey, wood products, technology, and services. That's a lot of our economy. Export New Zealand executive director Joshua Tan says the deal would be a major win for the wider economy and he warns that delays could leave New Zealand exporters at a disadvantage because India's doing other trade agreements, including with the European Union and some of the stuff that they've given to us, they won't give to us, they will give to someone else because they're canny negotiators. They say sign this and to sign it quick, here's a couple of things that'll be in your favour, but if you don't sign it, we'll take those away, we'll give them to somebody else. So we’re being held under the gun.

The Meat Industry Association, who also signed the letter, says the agreement would remove a 30% tariff on sheep meat and deliver gains for wool and pharmaceuticals and blood products. Nathan Guy's the chair there, he says New Zealand's primary sector needs this deal more than ever.

This letter, New Zealand First leader Winston Peters has criticised it. He says it's breathtaking that businesses would endorse an agreement without seeing the full text. He says they're wanting us to sign a contract blindfolded. Winston says his office has asked Business New Zealand and Catherine Rich whether the signatories have actually read the agreement and claims that they have not received a clear answer. Meanwhile, what's Labour up to, eh? Labour leader Chris Hipkins says his party recognises of course the potential benefits of a free trade deal like this for exporters, but he says the Government must address what he calls issues and inconsistencies before Labour can commit its support. He says that Labour's been seeking clarification for nearly two months, so if they've been asking for two months, how come they haven't got that clarification? Do you think National's trying to hide something? Is there something in there? I don't know. But for now, the India Free Trade Agreement remains uncertain, exporters are calling for urgency, New Zealand First demands transparency, and Labour is waiting for answers.

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Midday today, our time, is the deadline set by President Trump for the reopening of the Straits of Hormuz. Failure to do so will apparently be punished by a widespread bombing campaign on civilian targets in Iran.

Of course, for all of us, this is a bit worrying and a little bit horrifying. I had been saying around the office today, welcome to the end of civilization. I said that to Murray Kirkness, the editor of the Herald, and he said, not all civilizations, Andrew, and that's true. Iran is facing the gun.

The threat on civilian targets appears to be the very definition of a war crime, but it seems as though the President doesn't care, as he thunders at the mullahs from his warm and cozy lectern safe in Washington. Iranian civilization will die at 8pm Eastern Standard Time if they don't comply. That's not my words. That's not me summarizing what the President said, that's what the President said.

That's one of the weird aspects of the past two days – the President's language. There has been no stirring patriotic defence of liberty and democracy, and that we have a higher cause to pursue. There has been no grave, hushed tones outlining the scale of events that have deserved a mission that has been called Epic Fury. No, what we've had is an 80-year-old perma-tanned man in a boxy suit sitting at a lectern calling his opponents crazy bastards and promising an end of civilisation day. It's like a third-rate war movie. It's the product of a man who's spent 10,000 days watching bad reality TV and not a statesman who's studied leadership through the ages. I've never heard anyone say anything like this ever before. Not even crazy guys like Vladimir Putin or Kim Jong-un. They don't say stuff this crazy. This is pretty crazy.

I actually find the President's intemperate language to be quite off-putting, but maybe some find it refreshing. And maybe it's something that people have waited to hear for a long time because we've been battling against this Iranian regime for 47 long years. I don't know, you tell me. The President's language over the last two days, does that worry, scare, and horrify you? Or do you go, no, we need a strong man and finally people are saying what needs to be said?

Meanwhile, the so-called crazy bastards, Iran, who indeed are utterly loathsome people and a dreadful regime, they seem to be taking it like a martyr, putting their people in harm's way as human shields, turning the other cheek, almost wanting the worst to happen so that the world might see them as the victims of a lunatic, not that they have been lunatics for 47 years and deserve some retribution. They haven't railed with bad language, all they said is President Trump is deluded. They seem to be the grown-ups in the room, but that seems weird because we know they are evil, crazy bastards.

The world is used to Trump's bargaining methods. He starts hard and high and then he negotiates down. He's done it enough for the term taco to be created: TACO is an acronym for Trump Always Chickens Out. Will he chicken out today? Realizing that he's been threatening – I think this is the third threat he's made to Iran. So how many times can you cry wolf before you feel forced and obligated to do what many people think could be quite unthinkable? Are we three hours away from a cataclysmic attack on a sovereign nation by the United States of America?

And if the worst does happen, one question that has not been discussed is how will Iran react? If this was happening to you, if America came and took out the Auckland Harbour Bridge, how would you want to react to this situation? Would you set up a human shield, turn the other cheek, and go, oh yeah, look at that, he's crazy, and take the hit? How will Iran react? The so-called home of terrorism, which isn't this why this has all happened? It's ended up being framed as a battle for the Strait of Hormuz, but remember, this all happened because Israel and the United States wanted to remove a regime. It was regime change. It was to get rid of the crazy pastors to save the women and children of Iran – that's what the conflict is actually about. Now they've transmogrified it into being all about opening up the Strait of Hormuz, but that's a symptom. That's not the actual cause of the illness, of the antagonism between the two sides. That's a symptom of it.

So, how would Iran react? They are the so-called home of terrorism. They've had 47 years to prepare for this conflict. I would presume they have terror cells everywhere. Do you think that if this happens today at midday and bridges get taken out and power plants get taken out and Iranian civilians get wiped out, do you think Iran's just going to sit there and say, told you so? Or do you think it could cause a new age of terrorism?

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A major new Australian study tracking more than 270,000 children has found that long hours in childcare — especially more than 40 hours a week — are linked with a higher risk of children struggling with social competence and emotional maturity by the time they reach school.

And that makes total sense, doesn’t it? That’s because they basically go into a school system – they're being educated, they’re being taught how to read, maybe they’re being taught how to write, maybe they’re being taught maths. But are they being taught how to socially interact within a community? Something that parents are very, very good at – educators, not so much.

The research, released by the federal Department of Education, matched childcare, health, and census data with assessments from teachers across five key developmental areas. It found that as weekly childcare hours increased beyond 30, so did the likelihood of developmental vulnerability. Children in more than 40 hours had the highest risk.

But it’s not all one-sided. The study also found that childcare can be beneficial for language, cognitive skills, communication, and general knowledge. And for children from disadvantaged backgrounds — including Aboriginal and Torres Strait Islander children, single-parent families, and children with a language background other than English — formal childcare was associated with better outcomes across all domains.

Quality mattered too. Children attending higher-rated centres had a lower risk of developmental vulnerability, while lower-quality care increased that risk.

So they say you need strong, stable relationships with good educators, and they say the problem with early childcare education in Australia, and here in New Zealand, is high staff turnover. If you’re turning over your staff all the time because people get hacked off and they move on, it contributes to poor social and emotional outcomes.

So in Australia, they’re actually expanding childcare subsidies. They realise that two income families are the norm now – that's the only way you can afford to do it. They’re looking at alternatives, they’re looking at vouchers, looking at income splitting. And they’re looking at extended parental leave so the parents can actually stay there and look after the kids for longer, rather than putting them in the care of an early childcare centre.

Advocacy groups have come out and say, well, if you’re worries about this, you can’t just reduce your hours, but what we really have to do is improve the quality.

So here’s a question for you: how do you make sure that we’ve got good early child care, quality in the sector?

The sector in Australia is under pressure – there's been abuse allegations, there’s workplace shortages. The Government says its pay rise for educators and new funding for not-for-profit centres aim to lift quality and stabilise staffing, but it ain’t working yet.

The study reinforces that preschool remains strongly beneficial but also highlights that childcare isn’t a one-size-fits-all solution, and that the quality of care, and the amount of time children spend in it, both matter.

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New technology promises to speed up the process in checking for skin cancer, and it's set to take the pressure off the health system.

Skinscape 360's new full-body scanner is one of just 115 of its type in the world and uses 92 cameras to take an instant 3D snapshot of a patient in order to quickly flag anything of concern.

Dermoscopist Clare Gunn says this technology isn't covered by insurance yet - but they're hoping to change that to help as many Kiwis as they can.

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