- Julian Zelizer: Donald Trump has elevated the attacks on political correctness to a new art form
- Trump's opponents too often let these attacks slide, he says
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.