For gay, lesbian, bisexual, and transgender people in the United States, the twenty-first century has brought dramatic changes: the end of sodomy laws, the elimination of "Don't Ask, Don't Tell," a move toward recognition of same-sex marriage, Gay-Straight Alliances in thousands of high schools, and an explosion of visibility in the media and popular culture. All of this would have been unimaginable to those living just a few decades ago. Yet, at...