Paul Ryan’s principled stand — or political gamesmanship, depending on what you think he wants — against Donald Trump has broken the Republican Party in two: even among the GOP elite, many say that the Speaker of the House’s failure to endorse his party’s nominee will lose Republicans the White House, the Senate, and maybe even the House of Representatives. Others say Ryan is standing up for the conservative movement (and human decency). “Take it slow,” Late Show host Stephen Colbert advised Ryan last night. “You want the first time you endorse Donald Trump to be special.”