http://www.dailykos.com/stories/2017/5/15/1662406/-Ryan-sticking-with-Trump-so-he-can-get-his-Medicare-privatization
"But what about Trump's forceful promises throughout the campaign that he would not touch these programs? Ryan's got a powerful weapon on his side in Budget Director Mick Mulvaney, former Freedom Caucus maniac, who seems pretty confident. When it comes to wrecking Medicare, "let the [House] pass that and let's talk about it," he says. Of course, there's the little problem of getting it through the Senate, but that's not going to keep Ryan from trying. It rarely has before. He's bound and determined to throw granny off that damned cliff."
