Don't be so sure. Looks like Ryan is trying to thwart Trump at every turn. He goes to the media to air his complaints about Trump and I suspect he still has POTUS aspirations to overtake him at the convention. Now he's threatening to SUE TRUMP!!!
http://talkingpointsmemo.com/livewire/paul-ryan-trump-muslim-ban-sue
Never did Speaker Tip O’Neill do this to Carter or Mondale.