Also, just as a point of order? The question of the right to reprint the contents of letters, especially for purposes of comment or criticism, is an open one. The moral of the story? Don't say it if you don't want it heard.
Really, this kind of nonsense makes me embarrassed for my genre. Which is why I feel the need to comment on this issue, rather than shunning it, the way I tend to shun everything related to Mr. Sanders.
Because I feel it's important to make it plain that not everybody in the SFF community is willing to suffer hearing this kind of blatant racism in silence.