David Gergen worked in the Nixon administration as a young staffer . He recalls being impressed by Nixon 's thinking but seeing glimpses of his dark side . Nixon had integrity but also dealt with inner demons he could n't control , Gergen says . Gergen : New film gives viewers a glimpse of something rarely seen .
David Gergen worked in the Nixon administration as a young staffer . He recalls being impressed by Nixon 's thinking but got glimpses of his dark side . Nixon had enemies but also dealt with inner demons he could n't control , Gergen says . Gergen : New film gives viewers a side of Nixon rarely seen .