He's the only man with two gold medals in Snowboard Cross from the Olympics, in 2006 and 2010. And now Seth Wescott of Maine is trying for a third in Sochi. But this time around, Wescott's recovering from a torn ACL and a broken tibia, injuries sustained during an annual snowboard trek in the rugged Alaska wilderness last April. Wescott knows it will be difficult to defend his title. But at 37 he's no shrinking violet. He's already setting his sights on the 2018 Olympics in South Korea, when he'll be 41 years old.