- Other presidents have assailed the media, but Trump's assault seems qualitatively different, writes Julian Zelizer.
- This administration is conducting a war to systematically undermine the media's ability to act as a watchdog, 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." He also is the co-host of the podcast "Politics & Polls." The opinions expressed in this commentary are his own.
(CNN)The first war that President Trump has declared is a war against the news media.