Don't suppose that Robert Capa's famous advice to photojournalists--"If your pictures aren't good enough, you're not close enough"--applies only to the battlefield. There are few tanks better armored these days than most celebrities, who are fully prepared to fend off all attempts to see any side of them but the faces they want you to see. And what is the President if not a celebrity operating at the highest levels of consequence? So one thing TIME's Diana Walker can tell you is that a successful White House photographer is one who is close enough in all senses.
Which means? Among other...