text:  Musk is currently the world's richest person, with a fortune exceeding $250 billion. House Democrats worried President Biden can't win in November are circulating a letter calling on the Democratic Party to abandon plans for a virtual roll call vote later this month. Sen. Paris' Tamara Keith explains it shows opposition to Biden from within his own party is still bubbling beneath the surface. Way back in May, well before the president's devastating debate performance,