On the left, fifteen-year-old Hazel Bryan screams unthinking hatred at Elizabeth Eckford during the racial integration of Central High School in Little Rock, Arkansas in 1957. Five years later, Bryan sought out Eckford to apologize, and in 1997 they were photographed together again (right) and have since become friends. Commenter Naomi brought this story up in the comments on this post by John Scalzi; for which my thanks. Pictures from this CNN story, photo credit Will Counts.

(This has a particular resonance for me, as I too have had to resect prejudices that were grafted onto me while I wasn't paying attention. Anaesthetic is contraindicated for that operation, and there is something of the zeal of the convert in my interest in social justice; and that's all I have to say about that.)