Shani Davis of the U.S. competes during the men's 1500m speed skating event at the Essent ISU World Single Distances Championships 2013 in Sochi March 21, 2013. REUTERS/Grigory Dukor (RUSSIA - Tags: ... more 
Shani Davis of the U.S. competes during the men's 1500m speed skating event at the Essent ISU World Single Distances Championships 2013 in Sochi March 21, 2013. REUTERS/Grigory Dukor (RUSSIA - Tags: SPORT SPEED SKATING) less