Demonstrators heckle as President Nixon’s car reaches the District Building during the Inaugural Parade on January 20, 1969. At the window of the car facing the jeering crowd is Sen. Everett Dirksen of Illinois. The Nixons are seated behind him, their faced turned away from the middle finger waving demonstrators. See-through sign at left calling Nixon "#1 War Criminal" is shown from the back. (UPI Photo/Files)