If you're a student of recent New York history, you know the name "Tawana Brawley". In 1987 Ms Brawley, age 15, stayed out past curfew while visiting a jailed boyfriend and was justifiably afraid of how her violent stepfather, Ralph King, might react. To protect themselves from the stepfather's wrath, Brawley and her mother (allegedly) concocted a story of a brutal attack by four white men, naming specific persons. A grand jury ultimately decided there was not enough evidence that the crime occurred. One of the men sued for defamation of character and won, and Brawley's mother was ultimately held in contempt of court for refusing to testify to a grand jury. Rallies in support At the time, there were extensive public rallies supporting Ms Brawley, who is Black, lead by current CNN commentator Al Sharpton. I suppose I'm not revealing too much about myself to say that I happened to walk by one of the rallies in New York City and saw white envelopes be...