The Nixon aide and the president's secrets

More than four decades after Richard Nixon resigned the presidency over the Watergate scandal, there is still more to learn from a close aide who left the Oval Office with dozens of boxes of documents, some classified. David Martin spoke with that aide, Alexander Butterfield, and with Washington Post reporter Bob Woodward, author of "The Last of the President's Men."

Видео The Nixon aide and the president's secrets канала CBS Sunday Morning