The Pentagon yesterday announced plans to close 33 major military bases and realign 29 others in a force restructuring designed to consolidate forces and save money -- at least $49 billion over 20 years. Our current arrangements, designed for the Cold War, must give way to the new demands of the war against extremism and other evolving 21st-century challenges, Defense Secretary Donald H. Rumsfeld said in releasing the base closure list. Major proposed closures include the Navy submarine base at New London, Conn.; Fort McPherson, Ga.; Naval Air Station Atlanta, Ga.; Naval Shipyard at Portsmouth, Maine; Naval Air Station at...