Glenn Reynolds, always rushing to defend wingnuts.

Putz:

...if you appoint yourself someone’s anonymous blogging nemesis, you can probably expect to be outed.

Whelan:

I have been uncharitable in my conduct towards the blogger who has used the pseudonym Publius. Earlier this evening, I sent him an e-mail setting forth my apology for my uncharitable conduct.

UPDATE

Sully:

Poor Jonah covered himself in goo when he could have waited a day and avoided any comment.

So did Putz. Same motivation.