Sen. Tom Udall (D-N.M.), a leading proponent of filibuster reform, said Senate Majority Leader Harry Reid (Nev.) has the 51 votes he needs to change Senate rules with the "nuclear option."
The maneuver would be controversial, however, and could heighten partisan tensions at the start of the 113th Congress in January. Republicans say using 51 votes to change Senate procedures — and to prevent the minority party in the Senate from blocking a majority-vote — amounts to breaking the rules to change them.
“The crucial thing for all of you to know is Harry Reid’s got 51 votes to do the Constitutional option at the beginning of the Congress,” Udall said. “My sense is if he can’t get agreement on the other side, then he’s going to go forward.”