'No. Don't tweet that': The most important advice Trump received was not to tweet, former chief of staff John Kelly says

· According to a new book on the Trump administration, former White House chief of staff said the most important advice he gave to the president was not to tweet.
· "No. Don't tweet that. No," Kelly said in the book, according to Axios. "Don't change your policy on that. No, no, no."
· ABC chief Washington correspondent...