Songs from Luciano Pavarotti, Sinead O’Connor and “Cats” may not strike you as typical campaign music, but they’re on repeat at Donald Trump’s political rallies. The staff editor Katherine Miller has spent a lot of time at Trump rallies, and in this episode, she takes listeners on a tour of the unusual — and often subversive — soundtrack the former president curates for his campaign events.

Thoughts? Questions? Email us at theopinions@nytimes.com.

Prime Minister Benjamin Netanyahu’s drive to stay in power is harming Israel’s global reputation and complicating the U.S. presidential election for Democrats, the Opinion columnist Thomas L. Friedman argues. In this audio essay, Friedman offers a new name for the ongoing conflict in the Middle East and explains why Netanyahu might be rooting for Donald Trump this November.

Thoughts? Questions? Email us at theopinions@nytimes.com.

They’ve been found in our milk, our eggs, our water supply and our bodies.

In this audio essay, the environmental activist Erin Brockovich makes the case for better regulation of the per- and polyfluoroalkyl substances, or PFAS, contaminating our world. PFAS exposure has been associated with fertility issues and developmental delays in children. And while lawsuits have been filed against some of the biggest manufacturers of PFAS, Ms. Brockovich says those suits aren’t the only — or even the best — solution.