Catherine Rampell: Blame McConnell and Ryan for the shutdown

House Speaker Paul Ryan of Wis., center, walks with other members of Congress to the House Chamber on Capitol Hill in Washington, Monday, Jan. 22, 2018, to begin a vote on a short term spending bill to reopen the government. (AP Photo/Pablo Martinez Monsivais)Senate Majority Leader Mitch McConnell and House Speaker Paul Ryan are responsible for the completely avoidable three-day federal shutdown that ended Monday. They will likewise be responsible for the catastrophe coming in a few weeks if Congress can’t get its act together to raise the debt ceiling.

McConnell and Ryan, after all, not only lead the majority party. They also control the legislative agenda. They determine which bills come…