Deep Throat is Mark Felt, the former deputy associate director of the FBI — except for the parts of Deep Throat that clearly aren't Mark Felt, like all the stuff Throat supposedly confirmed after Felt left the FBI in June, 1973. Well, that's going to be something of a problem, isn't it? Dean analyzed the meetings Woodward describes in All The Presidents' Men and methodically analyzes what others have glossed over. For Woodward's version to be literally correct, his source had to be able to have access to specific information (and disinformation — Dean estimated last night that half of...