Santa Cruz, Calif. -- A gay student prevented from donating blood because of his sexual history has stirred debate among Santa Cruz school officials over whether to continue hosting campus blood drives. Ronnie Childers, 17, student body president at Harbor High School, said he volunteered at a blood drive at his school earlier this month for five hours and waited in line for three more before being turned away. "I was turned away because of my sexual contacts," Childers said. "The reasoning behind me not being able to give blood is ridiculous. ... It made me feel like an outcast."...