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 Hudson Institute 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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President Donald Trump shakes hands with President of the European Commission Ursula von der Leyen as he announces a trade deal with the EU at Trump Turnberry golf club on July 27, 2025, in Turnberry, Scotland. (Andrew Harnik via Getty Images)