...

an Oval Office meeting with Elvis Presley during which the pill-addled singer lobbied to be deputized as a federal agent-at-large in the War on Drugs; Nixon's declaration to a roomful of newspaper editors at the height of the Watergate scandal, "I'm not a crook;" Nixon asking Henry Kissinger to kneel down and pray with him and then bursting into tears the night before he resigned.

But perhaps the most bizarre moment ...