(FILES) US Senator Joe Manchin (D-WV) speaks to the Detroit Economic Club at their meeting held at The Masonic in Detroit, Michigan, on February 26, 2024. On July 21, 2024, Manchin joined calls for US President Joe Biden to end his candidacy in favor of a younger Democrat, while a shock poll from the swing state of Michigan illustrated the growing sense that he will lose to Donald Trump if he stays in the race. (Photo by JEFF KOWALSKY / AFP)