In the 1990s, Mr. Ellison was an activist with the Nation of Islam, which is headed by the unabashedly anti-Semitic Rev. Louis Farrakhan. In 1995, Mr. Ellison helped organize a rally featuring the equally anti-Semitic Farrakhan adviser Khalid Abdul Muhammad. Also that year, Mr. Ellison wrote that Mr. Farrakhan "is not an anti-Semite." Later, when Mr. Ellison ran for Congress, he disavowed his previous association with Mr. Farrakhan.