Joe Biden's presidential reelection bid hung in the balance Saturday, after his latest efforts to put a disastrous debate showing behind him failed to silence voices urging him to quit the White House race.
Murmurs of dissent within his own Democratic Party have -- in the case of five individual House representatives -- morphed into direct calls for him to drop out. And a number of key donors have threatened to cut off funding if Biden insists on staying the course.
