Former President Donald Trump has all but dropped a key word from his vocabulary: Republican. He didn’t say it when he met with supporters — including a Jan. 6 defendant — at the Red Arrow Diner in Manchester, New Hampshire, late last month. During remarks to a packed ballroom at the DoubleTree hotel earlier that day, he said it only in praising some GOP governors’ work during the Covid-19 pandemic. Since he hit the campaign trail in early March, according to an NBC review of Trump’s speeches, interviews, video posts and face-to-face interactions with voters, the front-runner for the Republican...