Curahee - Lt. Brian Brennan lost both his legs Video

One year ago, Lt. Brian Brennan lost both his legs to a roadside bomb in Afghanistan, and now his mother is watching him learn to run all over again.

The 44 pounds of explosives which tore off his legs and killed three fellow soldiers in the 101st Airborne Division also left Brennan with a brain injury so traumatic there seemed little hope for recovery. What follows is his story stateside. Be prepared to break out the hankies.