The Senate Armed Services Committee on Tuesday unanimously approved the nomination of Ashton Carter to become the next defense secretary. The matter now moves to the full Senate, where Carter is expected to be confirmed. Carter, who has served previously as the Pentagon's No. 2 civilian and its acquisition chief, told the Senate Armed Services Committee during his Feb. 3 confirmation hearing that he plans to focus on reforming the way the Defense Department does business. "The taxpayer cannot comprehend...