The legislative process can also be a learning process, and as Congress considers health-care legislation -- the latest act being the Senate Finance Committee's vote in favor of Chairman Max Baucus' bill, or "conceptual language" -- we've been learning something useful. It's that legislators would like to provide generous, even gold-plated health-insurance coverage to almost all Americans, but that no one wants to pay for it. The learning process should have begun last February, when Congressional Budget Office Director Douglas Elmendorf indicated that the CBO didn't back the administration's assertion that preventive care would save money. But it still came...