U.S. President Barack Obama reaches out to shake hands with Vice Chairman of the Joint Chiefs of Staff Admiral James Winnefield after delivering remarks on the Defense Strategic Review at the Pentagon near Washington, January 5, 2012. Obama unveiled a defense strategy on Thursday that calls for greater U.S. military presence in Asia and envisions cutting troops in Europe as the Pentagon seeks to reduce spending by nearly half a trillion dollars after a decade of war. REUTERS/Jason Reed (UNITED STATES – Tags: POLITICS MILITARY)