 It's Monday, July 22nd, 2024. This is CBS News Mornings. Bowing out in an unprecedented move, President Biden announces he's dropping out of the race for the White House less than four months before the election. Why he says it's time to stand down. Plus, Harris for president. Biden endorses Vice President Kamala Harris to be the presidential nominee as key Democrats start to throw their support behind her. But will she face challenges for the nomination?