Adler says we should “listen” to Glenn Reynolds’s argument that federal restrictions on abortion are a violation of federalist principle. Fair enough. Note, however, that Reynolds does not deal–either in his short summary of his argument or in the law-review piece to which he links–with the equal-protection argument for congressional authority here (which Adler and I debated on the Corner last year). I’d note also that the federal government is already deeply involved in abortion policy. Roe v. Wade was, among other things, a massive federal power grab.