It brings strangers together. It teaches probability, strategy, and emotional control. It has even helped N.F.L. teams win the Super Bowl. Stephen Dubner explores why this ancient game is having a renaissance. (Part two of a series, “We Are All Gamers Now.”)

• SOURCES:
  • Remington Davenport, founder of NYC Backgammon Club.
  • Frank Frigo, game strategy expert & two-time world backgammon champion.
  • Masayuki "Mochy" Mochizuki, professional backgammon player.
  • Marc Olsen, C.E.O. of Backgammon Galaxy.
  • Robert Wachtel, author and professional backgammon player.

• RESOURCES:
  • The Backgammon Chronicles: A Pro's Adventures on Tour Volume 1, by Robert Wachtel (2019).
  • In the Game Until the End, by Robert Wachtel (1993)
  • "Tric Trac, Clic Clac," (The New Yorker, 1930).

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As the Trump administration rolls back environmental regulations, we revisit a 2022 episode that explored the hidden cost of an invisible threat: air pollution.

• SOURCES:
  • Angela Duckworth, psychologist at the University of Pennsylvania.
  • Michael Greenstone, economist at the University of Chicago, director of the Energy Policy Institute, co-director of the Climate Impact Lab.
  • Stephan Heblich, economist at the University of Toronto.
  • Andrea La Nauze, economist at Deakin University.
  • Steve Levitt, professor emeritus of economics at the University of Chicago.
  • Edson Severnini, economist at Boston College.

• RESOURCES:
  • "Most Polluted Cities," (American Lung Association, 2026).
  • "Air Pollution and Adult Cognition: Evidence from Brain Training," by Andrea La Nauze and Edson Severnini (Journal of the Association of Environmental and Resource Economists, 2025).
  • "Air Pollution and Student Performance in the U.S.," by Michael Gilraine and Angela Zheng (NBER Working Papers, 2022).
  • "Billions of people still breathe unhealthy air: new WHO data," (World Health Organization, 2022).
  • "Evolution of the Clean Air Act," by the United States Environmental Protection Agency (2020).
  • "The Death of U.K. Coal in Five Charts," by Hannah Ritchie (Our World in Data, 2019).
  • "The Colour of Pollution," (The Economist, 2014).

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Another war in the Middle East. A retreat from the international order. A presidency built on self-dealing and arbitrary power. It’s enough to make you think the U.S. is in a steep decline — but Fareed Zakaria thinks otherwise.

• SOURCES:
  • Fareed Zakaria, journalist and author.

• RESOURCES:
  • "Iran is an imperial trap. America walked right in." by Fareed Zakaria (The Washington Post, 2026).
  • "‘Bomb and hope’ is not a strategy," by Fareed Zakaria (The Washington Post, 2026).
  • Age of Revolutions: Progress and Backlash from 1600 to the Present, by Fareed Zakaria (2024).
  • The Accidental Superpower: The Next Generation of American Preeminence and the Coming Global Disorder, by Peter Zeihan (2014).
  • The Affluent Society, by Jonathan Galbraith (1958).

• EXTRAS:
  • "Fareed Zakaria on What Just Happened, and What Comes Next," by Freakonomics Radio (2024).
  • "Are We Living Through the Most Revolutionary Period in History?" by Freakonomics Radio (2024).
  • "The Folly of Prediction," by Freakonomics Radio (2011).

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