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To the person who didn't understand what the "in a word: racism" person meant: I think the person holds the theory that Southerners, despite their overt friendliness, etc., elect the evil, idiotic politicians they do because lots of white Southerners would rather keep African Americans down than have good politicians giving the country (state, city, etc.) good government--and perhaps the person also means that in largely black Southern areas Af. Ams. (by this theory) prefer blacks in office whether or not that gets them good government--the color being the important factor. By this theory, each group has something it values more than it values good government. (Yes, I know there are many people in the South who are neither white nor black, of course; I just don't understand how they fit into that theory.)
Well, if the above is a good interpretation of the "racism" statement, frankly I don't know about all of that. I'll sit back and see what others say.