where scientists are trying to explain why old people appear to revert to racism.

There are many such posters on the Kausfiles Special. I'm trying to decide whether I buy into the excuse that it's old age that explains comments like,

So go kiss Jewish ass. In the mean time you and the rest of Americans are get fucked in the ass by the Jews..

or

Reading the history of the Jewish people, is exactly what has earned them the reputation they have