The votes are there in the senate, all that matters is the House.
Anyone who talks of piceimal reform wants to windowdress his opposition by dragging out the process.
Rubio's primary focus is to position himself for the 2016 primary, not passing CIR. His heritage provides a shield to bs the issue, while positioning himself as a more charismatic version of the same old conservatism.
But again. What matter is the House. Keep your eyes open about what Boehner does with the Hastert rule this January.