The staff writer John Cassidy joins Tyler Foggatt to discuss the recent meltdown of the U.S. stock market, Donald Trump’s long-standing support for tariffs, and what the potential death of an American-dominated free-trade system could mean for the global economy. 

This week’s reading:

• “Will Trumpian Uncertainty Knock the Economy Into a Recession?,” by John Cassidy
• “Who Gets to Determine Greenland’s Future?,” by Louise Bokkenheuser
• “What’s Next for Ukraine?,” by Joshua Yaffa 
• “Canada, the Northern Outpost of Sanity,” by Bill McKibben
• “Can Americans Still Be Convinced That Principle Is Worth Fighting For?,” by Jay Caspian Kang
• “Donald Trump's A.I. Propaganda,” by Kyle Chayka

To discover more podcasts from The New Yorker, visit newyorker.com/podcasts. To send feedback on this episode, write to themail@newyorker.com.