KENNEDY

FILE - In this Nov. 22, 1963 file photo, President John F. Kennedy slumps down in the back seat of the Presidential limousine as it speeds along Elm Street toward the Stemmons Freeway overpass after being fatally shot in Dallas. Mrs. Jacqueline Kennedy leans over the president as Secret Service agent Clinton Hill rides on the back of the car. (AP Photo/Ike Altgens, File)

FILE – In this Nov. 22, 1963 file photo, President John F. Kennedy slumps down in the back seat of the Presidential limousine as it speeds along Elm Street toward the Stemmons Freeway overpass after being fatally shot in Dallas. Mrs. Jacqueline Kennedy leans over the president as Secret Service agent Clinton Hill rides on the back of the car. (AP Photo/Ike Altgens, File)