WASHINGTON - (KRT) - They are the new bionic soldiers. Once given honorable discharges, amputees are regaining remarkable mobility with new prosthetics, and some are even choosing to return to the battlefield in Afghanistan and Iraq. U.S. troops who have lost one leg - or two - can walk, run and even swim with high-tech, computerized limbs. Arms and hands are replaced by prosthetics controlled by sensors that react to electronic impulses from undamaged muscles. The war in Iraq has claimed the lives of nearly 2,000 U.S. service members, but it has also drastically altered life for hundreds more who...