Cory Chitwood, Ryan Lochte and Nick Thoman, top to bottom, swim in the men's 200-meter backstroke semifinal at the US Olympic swimming trials in Omaha, Neb. , Thursday, July 3, 2008. AP Photo logo AP Photo 43 months ago

Cory Chitwood, Ryan Lochte and Nick Thoman, top to bottom, swim in the men's 200-meter backstroke semifinal at the US Olympic swimming trials in Omaha, Neb. , Thursday, July 3, 2008.