THou shall not stick thy rod into thy staff!
Clinton did it, David Letterman did it, and they are still adored by lefties.
And I don't have a problem with Petreuas doing it, either.
So what is your point here.
I know how much you Wingnuts hate it when anyone points to Europe as being more sensible, but when Mitterand died, you had his wife in one pew and his mistress in the next pew, and the French just said, "Hey, a man has his needs."
The ironic thing is that we complain when an alpha male acts like an alpha male. Of course, an alpha male like Clinton or Petreus is going to want to chase a lot of tail. They are biologically programmed to do so.