https://www.cnn.com/2018/07/25/politics/donald-trump-vfw-unreality/index.html

Donald Trump just said something truly terrifying
Chris Cillizza
Analysis by Chris Cillizza, CNN Editor-at-large
Updated 3:57 PM ET, Wed July 25, 2018

what Trump did in his VFW speech goes beyond simply saying lots of things that aren't true. (To be clear: He did that too!) He told the audience not to believe anything they see or read. That all media is fake. That everything that doesn't originate with Trump himself should be ignored.
As The New York Times' Katie Rogers and Maggie Haberman put it in a piece on Wednesday:

"Mr. Trump, at a pivotal moment in his presidency, is increasingly living in a world of selected information and bending the truth to his own narrative. As his aides work to keep him insulated from the outside world, Mr. Trump is doubling down in his efforts to tell supporters to trust him over the words of critics and news reports."
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