And then , if it passes the Senate , it will move into a conference committee with the House , where the two chambers will hash out some significant differences over abortion ( the House has far more restrictive language than the version now in front of the Senate ) , the public option ( the House version is almost certain to be more robust ) and how to pay for the health overhaul ( with the House favoring higher taxes on the wealthy , and the current Senate version relying upon new levies on high-priced insurance plans ) .