President Trump teed off on the news media in a bizarre Twitter rant Thursday morning ahead of a big social media summit at the White House slated for later in the day. The string of tweets attacked the news media and claimed the industry would go out of business when he leaves office, even suggesting outlets would be forced to endorse him this cycle for the sake of their own survival. He went on to alternately praise himself, lob insults at familiar targets in the 2020 Democratic field and even joke about serving more than two terms. “The White House...