<iframe width="580" height="385" src="https://www.youtube.com/embed/qhS0fgqWGM0?hl=en" frameborder="0" allowfullscreen></iframe> <br>U.S. Army Sgt. Davin Dumar lost his left leg and suffered several other injuries during a deployment to Afghanistan last year.His injuries may have slowed him ... <br><a href="https://www.youtube.com/watch?v=qhS0fgqWGM0">source</a>