Although US Senator Joe Manchin (I-West Virginia) hasn't yet endorsed Joe Biden, the former moderate Democratic lawmaker has stood behind the president politically.
However, following Biden's poor debate performance last week, the Independent senator notified a group of allies that "he would soon break with" the president, which would make him "the first prominent elected official allied with the party to call for Biden to exit the presidential race," according to The Washington Post.
Per the Post...