Sen. Susan CollinsSusan Margaret CollinsOvernight Health Care: 3.6M signed up for ObamaCare in first month | Ryan pledges 'entitlement reform' next year | Dems push for more money to fight opioids Study: ObamaCare bills backed by Collins would lower premiums Right scrambles GOP budget strategy MORE (R-Maine), a pivotal voice on the Senate stimulus bill, said Monday that she is prepared to vote against the final version of the bill if it comes out of conference more closely resembling the House version than the Senate version.

Asked if she is ready to vote against the final stimulus package if it contains more of the spending programs in the House bill and fewer of the tax cuts in the Senate version, Collins was unequivocal.