Passing a federal law banning almost all abortions after 20 weeks. Defunding parts of Obamacare. Weakening the Environmental Protection Agency. Gutting the Consumer Financial Protection Bureau. And—maybe, just maybe—letting a Supreme Court seat sit vacant until after the next presidential election. That, reports Michael Tomasky after talking to top Republicans and Democrats, is the future that may await the American public if the GOP wins the Senate.