Carlin Isles helping U.S. speed to the top of rugby sevens

Carlin Isles, a former sprinter and college football standout, is called "The Fastest Man in Rugby." He's now helping the Olympic-bound U.S. rugby sevens team climb the ladder of the international game. My story for TeamUSA.org: http://www.teamusa.org/News/2015/December/10/Could-The-Fastest-Man-In-Rugby-Lead-Team-USA-To-A-Medal-In-Rio