Trump’s assassination attempts underscore how rhetoric that casts political opponents as existential threats can move from language to violence. Same Old, Same Old: Target Trump.At the White House Correspondents’ Dinner, Donald Trump was the target of yet a third assassination attempt—this time in full view of the Washington press corps. The event was presented as a spirited night with Trump. After 11 years of avoiding the predominantly left-wing media event, he decided to revisit the dinner. He anticipated that he would be the object of ridicule inside the hall—and that he might see possible violence outside it. Indeed, protesters ringed...