Walter Russell Mead discusses a potential constitutional crisis in Texas, trouble in North Korea, climate activists kneecapping Joe Biden, and an ununified theory of US appeasement of Iran on his podcast, What Really Matters.

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The P4 laboratory, on the campus of the Wuhan Institute of Virology, in Wuhan, in China's central Hubei province. (Hector Retamal/AFP via Getty Images)