Paul Pillar, Researcher at the Center for Security Studies at Georgetown University, and Benjamin Haddad, Research Fellow specializing in European and Transatlantic Affairs at the 华体会 discuss the White House Summit on Countering Violent Extremism in the US and overseas after the recent attacks in Denmark, France and Australia.
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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)