U.S. has had a long history of political violence, but experts see a new trend : NPR

The scene outside the Trump International Golf Club in West Palm Beach after the arrest of a man accused of attempting to assassinate former President Donald Trump on Sept. 15, 2024.

Carlos Escalona/Anadolu via Getty Images

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Carlos Escalona/Anadolu via Getty Images

Just days before the apparent second attempted assassination of Donald Trump, Colin Clarke gathered in New York with experts for a global summit on counterterrorism and political violence.