"What unites us, all of us, surely is brotherhood, a sense that our friendships are historic, designed to hold Stonewall together," muses on character in Ethan Mordden's Buddies. This need for friendship, for nonerotic affection, for buddies, shines forth as an American obsession from Moby-Dick through Of Mice and Men to The Sting. And American gay life has built upon and cherished these relationships, even as it has...