Anti-Semitism can appear in many forms, many disguises. Its latest camouflage can be seen in “The Israel Lobby,” an article in the March 23 London Review of Books by Political Science Professor John J. Mearsheimer of the University of Chicago and Dean Stephen M. Walt of Harvard University’s John F. Kennedy School of Government. This article is an extract from “The Israel Lobby and U.S. Foreign Policy,” their March 2006 self-published academic “working paper” that is neither peer reviewed nor published in any scholarly journal. Although ballyhooed as a work by two major scholars, they acknowledge that it “should not...