Carl Bernstein on chasing history

"I always had it in my head that all good reporting was the same thing: the best obtainable version of the truth," said investigative journalist Carl Bernstein.

You know him as half of the most famous byline in journalism: Woodward and Bernstein, the Washington Post reporters who uncovered the Watergate scandal.

CBS News national security correspondent David Martin asked Bernstein, "How old were you when you were assigned to cover the Watergate break-in?"