"At Stonewall," Jack Fritscher wrote, "gay character changed." In June 1969, the legendary Stonewall Rebellion in New York's Greenwich Village began the national gay civil rights movement. Fritscher, one-time lover of Robert Mapplethorpe and early intimate of elegant Picasso biographer and "Vanity Fair" author John Richardson, is the highly acclaimed novelist, award-winning historian, and polished prose stylist. His best-selling "Some Dance to Remember:...