Luke Coffey appears on The Hamiltonian Podcast to discuss the history of the Russian Federation, and how the February invasion of Ukraine may be seen as the final event in the drawn-out "collapsing" of the Soviet Union.

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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)