President Truman's decision not to extend diplomatic recognition to the People's Republic of China -- President Eisenhower's decision to oppose the British-French-Israeli invasion of Suez -- President Kennedy's decision to support the Bay of Pigs invasion -- President Johnson's decision to end the U.S. escalation of the Vietnam War -- President Nixon's decision to order an incursion into Cambodia -- President Ford's decision to intervene in the Angolan civil war -- President Carter's decision to end the Persian Gulf War at 100 hours -- President Clinton's decision to use military force to restore President Aristide to office in Haiti.