President Donald Trump on Monday warned his supporters that Democrats are "really, really angry" as the midterm elections come closer. During a national conference call with grassroots supporters to celebrate the president's 500 days in office, Trump asked his backers not to become complacent. Politico reports that he said, “It’s very important that they come out now for the midterms. Historically, they tend not to. They get a little complacent, I guess. Something happens and they tend not to.