How did mobile kitchens become popular with hipster gourmands? And just how much money can a popular truck make from a lunch shift? Zachary Crocket drops some napkins.

• SOURCES:
  • Mariel-Leona Edwards, senior operations manager for Señor Sisig.
  • Matthew Geller, founding president of the National Food Truck Association and C.E.O. of the Southern California Mobile Food Vendors Association.
  • Evan Kidera, C.E.O. and co-owner of Señor Sisig.

• RESOURCES:
  • "Seed Planted in SF State MBA Program Grows Into Mini-Filipino Food Empire," by Jamie Oppenheim (SF State News, 2022).
  • "Inside Señor Sisig, the First Restaurant for a Pioneer of Filipino-American Cuisine," by Luke Tsai (Eater, 2019).
  • "Tamales, L.A.’s Original Street Food," by Gustavo Arellano (Los Angeles Times, 2011).

• EXTRAS:
  • "Why You Shouldn’t Open a Restaurant (Update)," by Freakonomics Radio (2019).

Youth baseball — long a widely accessible American pastime — has become overrun by $10,000-per-year, for-profit travel leagues. Zachary Crockett peers inside the dugout.

• SOURCES:
  • Linda Flanagan, author.
  • Nick Mackenzie, future New York Yankees shortstop.
  • R.J. Mackenzie, physical education teacher and baseball dad.
  • John Miller, journalist and baseball coach.

• RESOURCES:
  • "The Cost of Youth Baseball Is Getting Absurd," by Adam Minter (Bloomberg, 2024).
  • "Perfect Game Sees Prosperity Thanks To New Investments In Youth Sports," by Wayne G. McDonnell, Jr. (Forbes, 2024).
  • "How America Sold Out Little League Baseball," by John W. Miller (America Magazine, 2022).
  • "In Youth Sports, Talent Helps but Money Rules," by Roman Stubbs (The Washington Post, 2022).
  • Take Back the Game: How Money and Mania Are Ruining Kids Sports and Why It Matters, by Linda Flanagan (2022).
  • "State of Youth Sports: Parents, Policymakers Better Appreciate Physical Activity, Face Barriers to Help Kids Play," by Jon Solomon (The Aspen Institute, 2022).

• EXTRA:
  • Take Back the Game: How Money and Mania Are Ruining Kids Sports and Why It Matters, by Linda Flanagan (2022).

Why do we use a specific kind of tree-bark tissue to seal up 70 percent of wine bottles? Zachary Crockett takes a sniff and gives the waiter a nod.

• SOURCES:
  • Carlos De Jesus, director of communications at Amorim Cork.

• RESOURCES:
  • "This Ancient Material Is Displacing Plastics and Creating a Billion-Dollar Industry," by Marta Vidal (The Washington Post, 2024).
  • "Troubled Times For Wine In 2023: Global Production And Consumption Shrinking," by Per and Britt Karlsson (Forbes, 2024).
  • "Three Studies Take A Look At Various Wine Bottle Closure Preferences," by Thomas Pellechia (Forbes, 2019).
  • "How Millennials (Almost) Killed the Wine Cork," by John Gifford (The Atlantic, 2016).