Moderate Democrats Sens. Ben Nelson (Neb.) and Jon TesterJon TesterSenate Dems push Obama for more Iran transparency Bayh jumps into Indiana Senate race Six senators call on housing regulator to let Congress finish housing finance reform MORE (Mont.) were the only two Democrats to buck Democratic leadership and Obama in opposing the legislation so far.
Sen. Tom CoburnTom CoburnThe Trail 2016: Words matter Ex-Sen. Coburn: I won’t challenge Trump, I’ll vote for him Coburn: I haven't seen 'self-discipline' from Trump MORE (R-Okla.) who is recovering from surgery is the only senator who is not expected to vote.