 But a fifth Democratic member of Congress, Minnesota's Angie Craig, has called on the president to exit the race. And ABC's Mary Alice Park says Democrats are not united. They've been incredibly dismissive. I mean, they've gone as far as to mock some of these House members that have called for him to step aside, basically teasing them as being a low level. It is never a good look when you are making fun of your own friends. These are Democrats.