NEW: President Trump unloads on Rep. Thomas Massie, calling him a "loser" and accusing him of opposing Republican legislation no matter what it contains. "He's

NEW: President Trump unloads on Rep. Thomas Massie, calling him a "loser" and accusing him of opposing Republican legislation no matter what it contains. "He's a loser. He shouldn't be taking up the time of Congress or the Senate." "We could come up with the best bill we could come up with, and he…