Many Americans might have learned from watching Chris Christie’s marathon news conference on Thursday, but none more than Meryl Streep. If there is anything she doesn’t know about acting, the governor of New Jersey is the person who could teach her. No one has ever done a more convincing portrayal of incredulous innocence than his.

It may be that he is far more sinned against than sinning, and that his own motives are so pure that he could never imagine bad intentions on the part of his aides. But if he is blameless, then he is also arrogant.