Pressure from homosexual activist groups has compelled the head of the 2012 U.S. Olympic gymnastics team to quit. Two-time gymnastics gold medal winner Peter Vidmar has resigned upon receiving harsh criticism from homosexual and lesbian athletes and activists, who complained that he had donated $2,000 to promote California's Proposition 8, which defines marriage as between one man and one woman. "I wish that Peter Vidmar had not resigned," laments Peter LaBarbera of Americans for Truth About Homosexuality (AFTAH). "I wish that he'd stood up for his right to defend marriage, and I wish that he'd forced them to fire him...