Some social conservatives even dismiss his achievement in reviving New York before 9/11. An August story on the Web site Right Wing News, for instance, claims that Mr. Giuliani governed Gotham from "left of center." Similarly, conservatives have been feeding the press a misleading collection of quotations by and about Mr. Giuliani, on tax policy and school choice issues, assembled to make him look like a liberal. Mr. Giuliani may be the most conservative candidate on a wide range of issues. Far from being a liberal, he ran New York with a conservative's priorities. Government exists above all to keep...