It has been said that an ambassador is an honest man sent to lie abroad for the good of his country. Apparently, being the press secretary for the most open administration in the history of--like, forever--is very similar (tip to Instapundit): A press secretary is an honest man sent to deny the truth at the White House briefing room for the good of his president.
At least he has no diplomatic immunity, so he can still get parking tickets, right?