Andrew Sullivan used to work at the New Republic, and did pieces for Leon Wieseltier, before his betrayal: questioning the special relationship with Israel. Then Wieseltier turned on him, saying he has a "serious problem," which we learn by implication is anti-Semitism, by toiling through 4500 words of claims that Sullivan is a conspiracy theorist who "belongs to the party of Mearsheimer and the clique of Walt."
Before Sullivan there was Tony Judt. He also worked for Wieseltier at the New Republic till Judt’s betrayal: coming out for one state in the New York Review of Books. So before long, Wieseltier accused Judt of anti-semitism, in exactly the manner he deploys now–without, as Sullivan put it, "the candor to say so"–including the supposed deal-closer, that he was a fellow traveler of Mearsheimer and Walt. From Right Web:
On the influence of the so-called Israel lobby in the United States, Wieseltier has been particularly venomous, arguing that promoters of the idea of "the Lobby" are conspiracy theorists, including highly respected scholars Tony Judt, Steve Walt, and John Mearsheimer. When a scheduled talk by Judt in October 2006 at the Polish Consulate in New York Embassy was cancelled after the Anti-Defamation League and the American Jewish Committee complained, Wieseltier wrote in the Washington Diarist in October 2006: "The more significant point is that what Judt was prevented from delivering at the Polish consulate was a conspiracy theory about the pernicious role of the Jews in the world. That is what the idea of ‘the Lobby’ is. It is Mel Gibson’s analysis of the Iraq war. It is not just an analysis of the impact of AIPAC on particular resolutions and policies: such an analysis requires a detailed knowledge of American government, specifically of Congress, that I suspect Judt does not possess and that his fellow heroes Mearsheimer and Walt have been shown to lack. It is a larger claim, a historical claim, a claim about a sinister causality, about the power of a small group to control the destiny of a large group. And it is a claim with a sordid history."