Walter Russell Mead discusses Joe Biden’s threat to withhold offensive weapons from Israel, why the president’s huge spending bills haven’t been spent yet, the faltering criminal cases against Donald Trump, the global fertility crisis, and how to get the most out of election coverage.
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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)