President Obama has nominated Marine Corps Commandant Gen. Joseph Dunford to serve as the next chairman of the Joint Chiefs of Staff. He has also tapped Air Force Gen. Paul Selva to be Dunford's vice chief. "I know Joe -- I trust him," Obama said in a speech Tuesday at the White House, where he praised Dunford's past service as the top military commander in Afghanistan and noted the general has "already proven his ability to give me unvarnished military...
