Emma Coburn (L) leads women's 3000 meter steeplechase at the U.S. Outdoor Track and Field Championships in Eugene, Oregon June 26, 2011. [Photo/Agencies]

A reveller poses for a photograph next to police officers during the 15th Gay Pride Parade in Sao Paulo June 26, 2011. More than 3 million LGBTs (lesbians, gays, bisexuals and transvestites) took part in the annual Sao Paulo Gay Pride Parade, making it the world's largest gay pride march, according to Brazilian tourism authorities. [Photo/Agencies]