Harvard economist (and former Obama campaign adviser) David Cutler runs through the 10 most promising cost control ideas of the past few decades and notes that six of them are fully included in the bill, three of them are at least partially present, and only one of them -- the public option -- is totally absent. "No one knows precisely how much medical spending increases will moderate," Cutler concludes. "But one cannot doubt the commitment to try. What is on the table is the most significant action on medical spending ever proposed in the United States."

One addendum to Cutler's op-ed: Cutting health-care costs is hard. And it needs to be distinguished from simply capping spending. When liberals say that single-payer will save a bazillion dollars, or conservatives point to Paul...