It seems like a stupid question. But in today's guilt by association politics, it might not be. I found this article from September 2000, where Joe Lieberman (running for VP at the time as a Democrat with Al Gore) said he "respected" Louis Farrakhan. When asked if he would meet with the controversial leader of the Nation of Islam, he said, "I am very open to that."
So, Joe Lieberman was once willing to meet with an anti-semite. Lieberman is now a close campaign adviser and good friend to John McCain. By the transitive property of right-wing politics, this means John McCain is an anti-semite.
I expect a full report on this tonight on Fox News. Right?