 From ABC News, I'm Michelle Franzen. Nearly a week after a disappointing debate performance, President Biden's campaign facing a huge hurdle. A growing number of Democrats are questioning his health and ability to win reelection. Today, allies weighed in, including Congressman Jim Clyburn, who says he wants the Biden-Harris ticket to remain, but would support Vice President Kamala Harris to take over if the president bowed out. And the first sitting congressional Democrat is calling on the president to step aside. Texas Congressman