Investigative Reporter Sy Hersh: Working with Gene McCarthy's Presidential Bid Shaped My Life Path

Before investigative reporter Sy Hersh exposed many of the government's deepest secrets, from Nixon's bombing of Cambodia to the CIA's role undermining the Chilean government of Salvador Allende, he served as press secretary for Democrat Eugene McCarthy during his 1968 presidential bid. We speak with Hersh in New York City about this little-discussed time in his life.