Hal Faulkner is 79 years old and he's already lived months longer than his doctors predicted. "I don't know what to say, it's just incredible that I'm still here," Faulkner says in a halting voice made gruff by age and cancer. Faulkner joined the Marines in 1953, and served in the Philippines. In 1956, he got kicked out with an "undesirable discharge" for being gay. His military papers said "homosexual" on them, quite an obstacle in the 1950s. Still, Faulkner moved on, and had a successful career in sales. A few years ago, when he got diagnosed with terminal cancer,...