dr. kirk bauer who led the denali challenge. >>> you almost feel great. thank you fredricka.ou, cnn, for covering when a we think is a good news story. >> it really is pip remember before you all began this aseptemb ascent, you talked about challenges, weather, equipment, given that many of the prosthesis get particularly cold in, you know, weather like this and the terrain, all of that would bring tremendous challenges. were those big obstacles along the way? >> i think that all of those, the cold, extreme weather, our mechanical equipment all played a part in and certainly presented all of us with challenges. would he were climbing steep noun taens and they were bending at angles i don't think they were intended to. but they did hold up sometimes we are stuck in the snow and we would literally pull out our legs and pulling sleds and always extremely challenging for us. certainly for me, and i know for the other wounded warriors. but wrs, but what finally stopped us, was the extreme weather. 50, 60 mile-an-hour winds were where you can't really negotiate, you know, a ridge t