According to this HuffPo article (On Fiscal Cliff, Republicans Wait For Action From Obama, Democrats.), we’ll need Republican votes to pass a budget that would avert the fiscal cliff.
In the House, Speaker John Boehner can’t deliver those votes; and in the Senate, Minority Leader Mitch McConnell doesn’t dare to because he’s anticipating a Tea Party challenge for his seat in the next election.
This does not bode well.