veterans at walter reed with me, from day one empowered me to know that, no matter what they wanted to do, no matter what i thought i couldn't do, that it was all possible, and, they've always put people in place to assist me and make me realize that, even though i might have lost my leg below the knee, it was still everything i did before, i could probably do it and do it better. >> you once said your philosophy is this, you can find so many blessings, and -- in what others might view as limitations or disabilities. why? >> because a lot of times people might look at you and think because you have a prosthetic or might have lost a arm or ptsd you are not the same person and sometimes when you go through obstacles they make you stronger and it empowers you to look -- dig a little deeper and fight harder to finish that, whatever you setter mind to, your main goal is always to finish it. bill: you have overcome enormous challenges here. and, i mean... how are you able