What we can learn from Nixon’s ‘Saturday Night Massacre’

Dubbed the "Saturday Night Massacre," the political drama that unfolded on October 20, 1973, pitted a president against the Justice Department and has drawn parallels to today. William Ruckelshaus is one of the officials who refused to carry out an order from President Nixon to fire a special prosecutor investigating Watergate. Ruckelshaus joins Judy Woodruff to look back at what happened.