“We look at the Senate and go: ‘What the hell is going on?’” White House budget director Mick Mulvaney said in an interview Friday.

“The House passed health care, the House has already passed its budget, which is the first step of tax reform. The Senate hasn’t done any of that. Hell, the Senate can’t pass any of our confirmations,” Mulvaney fumed in an interview, slapping a table for emphasis. “You ask me if the Republican-controlled Senate is an impediment to the administration’s agenda: All I can tell you is so far, the answer’s yes.”…

And House Speaker Paul Ryan (R-Wis.), when asked Monday to name the biggest impediment to tax reform, replied: “You ever heard of the United States Senate before?”