Who transformed George Washington's demoralized troops at Valley Forge into a fighting force that defeated an empire? Who cracked Germany's Enigma code and shortened World War II? Who successfully lobbied the US Congress to outlaw child labor? And who organized the 1963 March on Washington? Ls, Gs, Bs, and Ts, that's who. Given today's news, it would be easy to get the impression that the campaign for lesbian, gay, bisexual, and transgender (LGBT)...