In June 1973, amid ideological rifts in the U.S. gay liberation movement, thousands of people gathered in New York City's Washington Square Park to commemorate the fourth anniversary of the Stonewall Rebellion. Partway through the rally, Street Transvestite Action Revolutionaries (STAR) co-founder Sylvia Rivera fought her way to the stage to address the predominantly white, middle class lesbian and gay crowd. Over the din of their boos and jeers, Rivera reprimanded the crowd for failing in their responsibilities to their "gay brothers and sisters" in jail, detailed the sacrifices she had made...