I think you're connecting events that don't really connect. And the House voted to repeal Obamacare early this year by a healthy vote. And you can bet the Republicans running for the Senate in 2012 will take a stance on the repeal, and if they don't they will be pointedly asked where they stand on repealing Obamacare.
The political energy behind repealing Obamacare has grown beyond anything the big corporations can stop with their typical methods if the Republicans senate seats can be grown to 55 or better.
And I think a new Republican senate would depart from the 60 vote rule as the Dims did, or threatened to do in some of their maneuvers to get Obamacare passed.
The House voted 245 to 189 to repeal Obamacare early this year. That was largely symbolic since it had no chance in the Senate, but they House will not back away from it and could even have more members who’d vote to repeal in 2013.
http://www.weeklystandard.com/blogs/house-votes-repeal-obamacare_536748.html