I don't want to defend Vitter and his conduct. Certainly not on a personal level. Put I think it has to be put in some perspective. Again, he obviously has some significant failings and his demons. And it seems to safe to conclude that his marriage was some time was troubled.
But--on a personal level--I don't like sticking my nose in the marriages of other people. And I draw a distinction between personal morality and public morality, as do others, though in different ways. [...]
If you find his conduct unacceptable, vote him out in 2010. ... But yes, I am bothered by our using evidence of personal failings to politically destroy political opponents and am bothered by our modern culture so quickly highlighting the personal failings of the well-known.