The Knock: William Manchester & Robert Kennedy

The pounding on the door of Suite 1407 at the Berkshire Hotel in Midtown Manhattan reverberated throughout its two rooms early in the morning on November 16, 1966. The banging was loud enough to drive one of its occupants to dive under bedcovers to escape the din. The clamor also shook author William Manchester, who had been painstakingly reviewing a manuscript about the assassination of President…