It means that he want to discuss federal immigration reform, and he will vote yes on what he does not consider "fluff."

Sounds like a tactic being put out to promote prolonging anything until republicans take control next year, or pushing the more controversial CIR which would be next to impossible to pass during the lame duck session.

All it does is bring him from a nay to an unclear as far as his position on the DREAM Act is concerned. We don't even know what he considers "fluff."