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 [email protected]. Learn about your ad choices: dovetail.prx.org/ad-choices