1968; Ann Druyan; Peter Balakian

Journalists David Halberstam, Jules Witcover, and David Broder discuss the pivotal events of 1968 that turned the tide against liberalism. Author Ann Druyan discusses her late husband Carl Sagan and the film she co-produced, "Contact." Author Peter Balakian examines the Armenian genocide in 1915 by the Ottoman Turks and shares his book, "Black Dog of Fate, A Memoir."