"..The hostilities began in the spring of 2003, when Dr. Bailey published a book, “The Man Who Would Be Queen,” intended to explain the biology of sexual orientation and gender to a general audience...[snip]....[snip] In his book, he argued that some people born male who want to cross genders are driven primarily by an erotic fascination with themselves as women. This idea runs counter to the belief, held by many men who decide to live as women, that they are the victims of a biological mistake — in essence, women trapped in men’s bodies. Dr. Bailey described the alternate theory,...