Joe Biden says he will remain in the White House race against Donald Trump, even as Democratic mega donors, grandees and a growing list of lawmakers heap new pressure on him to step aside in the face of declining poll numbers and concern over his age and mental acuity.
One big Democratic donor on the West Coast has said that if the president dropped out, the process to replace him “could be the single greatest thing that happens to keep Trump out of the White House”, gripping national attention and giving Democrats a chance to reshape the contest.
But how would it work — and who would replace Biden?
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