sort of partisan warfare by amendment is likely to continue through coming weeks, as the Senate continues work on the bill while majority leader Sen. Harry Reid (D) of Nevada tries to line up a filibuster-proof majority of 60 votes.
Senator Reid has even promised Senators they are going to have to work on weekends as he tries to meet his self-imposed deadline of passing a bill by Christmas.
House has already passed its version of the bill. If the Senate does the same, then the two chambers will have to set up a conference committee, consisting of senior members of the House and Senate. And this committee will have the power to mash the two bills together, throwing bits out here, adding bits there, to make them identical. For a big bill such as healthcare reform, this could be the crucial stage