Conversation so far:
Did David Vitter hire any sex workers?
Vitter's phone number was included in a published list of phone records of a company owned and run by Deborah Jeane Palfrey who was convicted for running a prostitution service.
Was David Vitter convicted of anything illegal in relation to hiring sex workers?
Since the statute of limitations for prostitution had expired when the scandal was uncovered, Vitter was never charged with a crime.
How did David Vitter's party react to his connection to hiring sex workers?
While the Louisiana state Republican Party offered guarded support, national Republicans offered forgiveness.

Question: Why did they offer him forgiveness and not kick him out ?
Self-contained rewrite: Why did national Republicans offer him forgiveness and not kick him out of public office?