They will just keep running on auto-pilot until the honeypot runs dry. The long line of supercommittees has returned no substantial deals to avoid either short-term or long-term fiscal disaster.
Now the informal "dinner club" between Senate Republicans and the White House is kaput. The White House wants to raise taxes (again) and the Republicans want entitlement reform. But, as I noted a long time ago, demagoguing entitlements for political gain is like crack to the Democrats. It's all kabuki theater and class warfare: the Democrats will never reform entitlements. The Republicans should stop convincing themselves they can kick Lucy's football.
Social Security and Medicare are on a glide path to bankruptcy. Let it burn.