With this, he even showed his inclination towards Fox News, saying that their poll prediction had much higher ratings for Trump.
Just heard Fake News CNN is doing polls again despite the fact that their election polls were a WAY OFF disaster.- Donald J. Trump (@realDonaldTrump) March 20, 2017
Much higher ratings at Fox
This comes on the backdrop of CNN's poll, conducted several weeks before the Presidential Election, which showed Democrat Hillary Clinton leading with a 5 percentage point over Trump, nationwide.
On a related note, earlier in February, Trump barred several media houses from his White House briefing.