Senate Majority Leader Harry M. Reid ( D-Nev . ) said yesterday that he 's not ready to " take anything off the table , " and has suggested that reconciliation could be used to link Obama 's two most contentious initiatives : health care reform , which is expected to cost more than $ 1 trillion over the next 10 years , and a tax on greenhouse gas-emitting industries , which is expected to generate at least $ 646 billion over the next decade .