Black civil-rights activists canceled plans for a protest after discovering a child insulted by California Education Secretary Richard Riordan was not African-American as originally believed, but a blonde, white girl. In an incident captured on video [Requires Real Player], Riordan, the former Los Angeles mayor, stunned participants in a promotional event July 1 at the Santa Barbara library by jokingly telling a 6-year-old her name, Isis, meant "stupid dirty girl." Alice Huffman, president of the California chapter of the National Association for the Advancement of Colored People, said Thursday that Riordan "is not suitable to lead education in our state"...