Disabled Iraq war vet charges back into life at home

At first, it is easy to see what war has taken from Sgt. Luis Rosa-Valentin.

Both of his legs and his left arm are gone. The 25-year-old soldier needs a hearing aid for his left ear, and a cochlear implant soon will be placed in his right. He has no sense of smell.

Luis' right arm, his only remaining limb, also is a symbol of loss. A tattoo of the memorial soldiers make for their fallen comrades - an arrangement of the dead's empty boots, helmet and rifle - adorns the inside of his forearm, set against the American flag. It stands as a reminder of his closest buddy in the Army, Staff Sgt. Steve Butcher, Jr., who was...