She didn't divorce Bill.
If she really, really wanted to be POTUS, and had a head for politics, she should have divorced him, quietly, in 2001 or 2002.
The Big He was the elephant in the room during the primaries. Neither Clinton recognized how much distaste for him was tipping the fence-sitters to the wrong side in the early going. Team Hillary actually seemed to think that getting him out on the trail would HELP, somehow.
when the doyle and penn camps broke into
an open hostilities, it was all over.