evidence: Biden meets with Democratic governors, including some who could potentially replace him on the ticket, in a high-stakes White House meeting. Some participants leave frustrated after Biden tells them he needs more sleep and plans to stop scheduling events past 8 p.m. [...] Biden is in Las Vegas for the NAACP convention and sits down with BET News for another interview. Biden tells BET News that only a medical condition would convince him to drop out of the race. [...] Biden’s campaign chair says the president is"absolutely" staying in the 2024 presidential race, despite Biden being more isolated than he’s ever been."Joe Biden is more committed than ever to beat Donald Trump," Jen O’Malley Dillon said on MSNBC.