Trump's tweet about Larry Kudlow's heart attack caused panic among his friends

President Trump dropped a bomb on Twitter right before his meeting with North Korean leader Kim Jong Un: that his top White House economic adviser Larry Kudlow suffered a heart attack and was being treated at Walter Reed Medical Center. The Washington Post's Robert Costa reports that friends of Kudlow learned about his heart attack via Twitter, and began "rushing to the hospital, trying to reach his wife, Judy." The White House did not release any information on his condition, and rumors began t...