Trump is "at war" with the media. Here is a response from the White House press corps:
http://www.cjr.org/covering_trump/trump_white_house_press_corps.php
The first battle after the inauguration is the number of visitors during the inauguration:
His spokesman Sean Spicer said: "This was the largest audience to ever witness an inauguration, period."
But the New York Times showed, that this isn't true: https://www.nytimes.com/interactive/2017/01/20/us/politics/trump-inauguration-crowd.html
http://www.cjr.org/covering_trump/trump_white_house_press_corps.php
The first battle after the inauguration is the number of visitors during the inauguration:
His spokesman Sean Spicer said: "This was the largest audience to ever witness an inauguration, period."
But the New York Times showed, that this isn't true: https://www.nytimes.com/interactive/2017/01/20/us/politics/trump-inauguration-crowd.html