Today's rapid pace of change limits the Army's ability to look into the future and predict what it will need, a dynamic that is reshaping how the service develops and procures weapons systems, according to a senior Army official. The new Army Capstone Concept -- released Dec. 21 -- seeks to describe the environment in which the Army will operate between 2016 and 2028. Speaking to reporters Dec. 9 at the Pentagon, Gen. Martin Dempsey, commander of Army Training and...