"One thing we know for sure...a vote...on this floor...this week."
If you are correct, on the basis of that statement, he has the votes today.
Don't mean to put you in a vise...and he may already hold the Dem's concession in his hands. (If so, and not to second-guess him, one wonders what he paid for it.)
Hate to say it, but whatever it is, it's worth it. Logrolling is a fact of life, and in this case it may save our country.