Former Israeli Prime Minister Ehud Olmert recently advanced a curious conspiracy theory about me—a theory that would almost be flattering if it weren’t so absurd.

Olmert charged that Prime Minister Benjamin Netanyahu “intervened in the U.S. elections in the name of an American billionaire with a clear interest in the vote.” Without a shred of evidence, Olmert pontificated that the “very same billionaire used Israel’s prime minister to advance a nominee of his own for president.”

Think about what Olmert is claiming. He is not suggesting the typical nonsense that the Likud government used me to influence the American election. No, Olmert’s conspiracy theory is even more outlandish: he’s asserting that Netanyahu—who isn’t exactly known to be a pushover—somehow agreed to be my puppet during the U.S. presidential campaign.

When I read Olmert’s comments, it reminded me of the old joke about the Jewish man who preferred reading anti-Semitic newspapers because they tell such good news: how Jews control Congress, how Jews run the media, how Jews pull the strings of international politics. I’m not saying Olmert is being anti-Semitic, but he is crediting me with a degree of power that I simply don’t have. The prime minister of Israel is very much his own man. I can also attest that Bibi has always maintained a neutral position vis-à-vis the U.S. presidential election, as would any sensible Israeli leader.

In trying to make sense of Mr. Olmert’s claims, I can only conclude that he still bears a grudge. Before he left office under a host of corruption charges in 2009, his approval ratings plunged to single digits. It is widely known that he blames an investigative reporter at Israel Hayom for prompting the legal investigations which ultimately led not only to Olmert’s political downfall but also, sadly, his conviction this summer for breach of trust.

Much is made about my friendship with Benjamin Netanyahu, especially by Olmert and the Israeli newspaper Yediot Ahronot, which is a competitor of Israel Hayom. Conveniently forgotten is that I’m also a close friend with Shimon Peres, Elie Wiesel and Alan Dershowitz, the last of whom is an articulate and thoughtful supporter of President Obama. Netanyahu no more does my bidding than any of these other friends of mine.

Mr. Olmert, who is rumored to have his eye on political office, has every right to run a spirited campaign. But he’ll have to come up with more than conspiracy theories if he hopes to unseat Prime Minister Benjamin Netanyahu.