My theory. Biden will resign, Kamala will name Hillary VP and then Kamala steps down.
Perhaps, but Hillary is old and do not think the American public would embrace someone who already lost once in an election and has the track record such as Benghazi under her belt.
2 women at the top would not be seen to be much of a threat to China or others, either.
That VP who will step in will be a Hillary-type of clone, competent and evil, but younger and can be seen to provide 'gravitas' to Harris.
It worries me.