I would say that there is a high likelihood she has crossed the line. Women are much better a being discrete than men are. I could easily see her crossing the line as a bucket list sort of thing when she was younger. In my youth there was a good number of young white women that graced my bed because they wanted to find out if it was true what they heard about black men. I would guess that once she decided on a career in politics any adventures that might generate controversy went on the back burner. The public seems to be more tolerant of a promiscuous male like JFK or Bill Clinton than they would be with a promiscuous female