Army officials are in the early stages of determining the optimal size and organization of a new cadre of soldiers dedicated to fighting wars in cyberspace, according to a service official. As part of the so-called "Army Cyberspace Study," officials are weighing force structure changes aimed at ensuring the Army can win future conflicts, which military experts believe will be fought increasingly over computer networks, according to Col. Wayne Parks. Parks is the director of the Army's computer-network operations and...