Why Trump is wrong on 'political correctness'

Story highlights

  • 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.