 And today, Minnesota's Angie Craig became the fifth Democrat in the House to call on the president to leave the race. Nationwide, about 130 million people are under some kind of heat alert. For those who live in Las Vegas, 112 degrees is nothing. They've been out in parks exercising and on playgrounds with their children this week. But Sunday's expected nearly 120 degrees is too much for Sherelle Small, who says that'll be the point where she stays in the A.C.