"All 42 Senate Republicans signed a letter to Senate Majority Leader Harry Reid, D-Nevada, vowing to prevent a vote on "any legislative item until the Senate has acted to fund the government and we have prevented the tax increase that is currently awaiting all American taxpayers.""
http://articles.cnn.com/2010-12-01/politics/gop.senate.demands_1_tax-cuts-congressional-tax-negotiators-spending-side?_s=PM:POLITICS
The omnibus bill failed in the Senate that would have funded the government for the rest of the year. I hope this is enough for them to stall to the very end.
The Levin Amendment failed.