About a dozen lawsuits are now challenging the President's tariffs, claiming they are unlawful and possibly even unconstitutional. What are their arguments, and why are some courts starting to listen?

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GIANT thanks to my wonderful colleagues for their help with my first cohosted Planet Money episode! spotify.link/QMmRrqag2Cb

The Phillips Curve — which looks at the relationship between inflation and unemployment — has guided and mystified economists for decades. Its story also kinda tells us the story of macroeconomics.