WASHINGTON DC – On Saturday, Donald Trump was supposed to find himself in an unfamiliar and possibly even uncomfortable position. For the first time as President, he had agreed to attend the White House correspondents’ dinner, where presidents and members of the media have traditionally exchanged barbs and (supposedly) light-hearted insults. Instead, thanks to the actions of an armed man, he found himself on sadly familiar ground: talking to reporters at the White House about another apparent attempt on his life, and claiming that he is a persistent target of would-be killers because “the people who make the biggest impact...