Sen. Sessions on the Senate floor says that he predicts support will erode for cloture on this bill, thinks some pro-cloture Sen.'s will switch to be opposed to cloture. Whom could he be thinking of?
Possibilities:

Bennett: maybe it's a possibility...
Bingaman: If Domenici's switched, Bingaman may, too
Bond: Amendment tabled, seems like he'll switch to vote against cloture maybe
Burr: Sounds like he could be wobbling
Coleman: amendment won't be voted on (if it's voted on at all) until after cloture motion...
Domenici: has declared to be opposed to cloture
Nelson: some think that he's a "maybe," but I'm not so sure yet...he still sounds pro-cloture so far...
Pryor: Voted for cloture last time, but has been a bill skeptic
Webb: Amendment was tabled...

Other possibilities: Could Maine Republicans Collins and Snow switch? I've heard they're under a lot of pressure. Conrad? What about Ensign? Will he switch to be against cloture?
Will Baucus, Hatch, Bayh, etc. continue to stand against cloture?
At the Corner, a source tells Jim Boulet that, because Reid failed in his attempt to table the Baucus amendment, the Senate will not consider any more amendments until after the cloture motion. So all senators who say their support for the bill and cloture depend upon the fate of certain amendments may not know about these amendments until they cast their cloture votes...it could be close....