I finally found one.
I was getting lunch the other day, and an old white guy bellies up to the bar, sees the TV above him talking about Puerto Rico, and says, "Why we spending so much time on this? I don't want to see hard-earned American taxes go to helping out Those People" (he definitely spoke that with capital letters).
To the bartenders credit, he did attempt to explain to this guy that PR is part of America, and the people there pay federal and Medicare taxes. This really stymied Racist McRacisthead. He blustered about "first I've heard" or something, then proceeded to address the server as "hey, stupid."
I do not want to know what sorts of fresh bodily fluids made it into his lunch.