Shortly after leaving a party on Chappaquiddick Island, Senator Edward “Ted” Kennedy of Massachusetts drives an Oldsmobile off a wooden bridge into a tide-swept pond. Kennedy escaped the submerged car, but his passenger, 28-year-old Mary Jo Kopechne, did not. The senator did not report the fatal car accident for 10 hours. On the evening of July 18, 1969, while most Americans were home watching television reports on the progress of the Apollo 11 lunar landing mission, Kennedy and his cousin Joe Gargan were hosting a cookout and party at a rented cottage on Chappaquiddick Island, an affluent island near Martha’s...