Ann Althouse makes a very good point:

I hate seeing people publicly humiliated for the sexual things they do in private. But the government is criminally prosecuting a woman, Deborah Jeane Palfrey, for what it says was a prostitution ring. These are federal charges, and the senator, David Vitter, has some responsibility for the laws that make this prosecution possible.

Vitter situates his misdeed in the realm of religion and private morality: ... "Several years ago, I asked for and received forgiveness from God and my wife in confession and marriage counseling... Out of respect for my family, I will keep my discussion of the matter there -- with God and them...." ...

Palfrey can't say God has forgiven her and walk free. In fact, Vitter's statement hurts Palfrey because it strongly implies that Palfrey was doing what she's accused of. Vitter's confession -- intended to move us to mercy -- links him to criminal activity, but only she is facing criminal punishment.... It's not a matter to be resolved within the realm of church and family as long as Palfrey is being prosecuted.