- Donald Trump has mocked his opponents with names like "Little Marco" and "Lying Ted"
- This character assassination tactic was mastered by Lee Atwater, who ran George H.W. Bush's 1988 campaign
- The dirty tactics of the Bush-Dukakis race are detailed in CNN Original Series "Race for the White House"
Julian Zelizer is a professor of history and public affairs at Princeton University and a New America fellow. He is the author of "Jimmy Carter" and "The Fierce Urgency of Now: Lyndon Johnson, Congress, and the Battle for the Great Society." The opinions expressed in this commentary are his. Go behind the scenes of the most dramatic elections on CNN's "Race for the White House," narrated by Kevin Spacey, Sundays at 9p.
(CNN)Donald Trump has proved to be the master of political character assassination.