Whatever. It's not a "preach"; it's his résumé -- which includes four different political parties, the Klan, the Nazis and his own creation the NAAWP. Affiliation with this or that political party isn't some kind of infection that taints the whole organization --- that would be a Composition Fallacy. But it is instructive to assess where somebody thinks their appeal lies. Actually I just took that tangent to correct the "head of the Klan" bit and put it in context.