A two-part profile of John F. Kennedy begins with his early years, detailing the health challenges he faced; his heroism after his PT boat was hit by an enemy destroyer during World War II; his first run for Congress; and the 1960 presidential race, which featured the first televised presidential debates. Among those sharing insights are his sister Jean Kennedy Smith and niece Kathleen Kennedy Townsend; presidential biographers Robert A. Caro and Robert Dallek; and historian David Nasaw.

Conclusion. John F. Kennedy's White House years, including the Bay of Pigs fiasco; Cuban Missile Crisis; handling of civil rights; and decision to travel to Dallas on Nov. 22, 1963, to shore up support for the 1964 election. The successes and failures of his tenure in office are also weighed by Kennedy administration officials John Seigenthaler, Thomas Hughes and Harris Wofford; civil-rights leaders Andrew Young and Julian Bond; and journalists Evan Thomas and Richard Reeves.