President Donald Trump returned to the rescheduled White House Correspondents' Association dinner Friday night, delivering a rambling, hour-long speech that praised some journalists, took potshots at others, made jokes about public figures' weight and intellect, and quipped about a third presidential term. He assured the crowd of journalists, though, that he'd scrapped the most biting parts of his remarks. “That was going to be a doozy,” Trump said about the speech he’d been prepared to...