Ehrlichman was certain that Kissinger was Deep Throat

Editor & Publisher
John Ehrlichman “was absolutely convinced of it,” says Parade magazine CEO Walter Anderson, a close friend of the late Nixon aide. “Ehrlichman argued that Henry Kissinger was high enough in the organization to have the information, and understand it, close enough to Nixon to know all the details, and he was virtually untarnished by the Watergate scandal, particularly in the press.”
> Prof: “George H.W. Bush was out to lunch during Watergate” (CBS)