When it is top of the news everywhere, you don't have to read more about it here. But suffice it to say that the Supreme Court's decision yesterday in Wyeth v. Levine is a victory for consumers, and a recognition by even the business-friendly Roberts court that the duty to warn consumers about dangerous products -- when those dangers are known to manufacturers -- trumps federal regulation, which is a necessary but inevitably incomplete effort at protecting the public.

The duty to warn is one of the oldest precepts in the common law. It's the height of conservatism to insist on that business obligation, and, from a consumer's perspective, right.