If Republicans didn't want to extend the payroll tax cut on the merits, then they should have put together a strategy and the arguments for defeating it and explained why.
But if they knew they would eventually pass it, as most of them surely believed, then they had one of two choices. Either pass it quickly and at least take some political credit for it.
Or agree on a strategy to get something in return for passing it, which would mean focusing on a couple of popular policies that would put Mr. Obama and Democrats on the political spot. They finally did that last week by attaching a provision that requires Mr. Obama to make a decision on the Keystone XL pipeline within 60 days, and the President grumbled but has agreed to sign it.
But now Republicans are drowning out that victory in the sounds of their circular firing squad. Already four GOP Senators have rejected the House position, and the political rout will only get worse.