WASHINGTON (AP) — When President Ronald Reagan left the Washington Hilton Hotel and headed for his waiting limousine on a gray March afternoon, he was exposed for mere seconds. That was all it took for a would-be assassin to take aim and fire. Reagan was hit in the chest and nearly died. Forty-five years later, another gunman is accused of trying to storm into the same hotel’s ballroom during the White House Correspondents’ Association dinner on Saturday night. The suspect fired at least one shot, authorities said, before being subdued in a chaotic scene that forced the evacuation of President Donald Trump and other top administration officials. The gunman never entered the ballroom or was close to the president. That Hilton has hosted hundreds of large events attended by presidents and other dignitaries since it opened in the 1960s.…