On the left the White House website before Donald Trump. On the right the White House website after a federal judge put a stay on Trump’s executive order to ban people from seven countries to enter the United States.
If someone snubs Trump, Trump snubs back. Witness what happened on January 11, 2017 when:

“President-elect Donald Trump on Wednesday shut down a CNN reporter who attempted to ask a question at Trump’s first press conference in months,”

according to Business Insider.