US presidential history special

Eyewitness accounts of moments in US presidential history: Inside JFK's election victory, remembering Shirley Chisholm - the first African American from a major party to make a presidential run, plus a senator's account of the Watergate hearings, the rise of the religious right and the story of President Bush's 9/11.Photo: US President John F. Kennedy giving his first State of the Union address to Congress in January 1961. (Credit: NASA/SSPL/Getty Images)