U.S. Central Command Commander-nominee Marine Corps Gen. James Mattis, left, arrives on Capitol Hill in Washington, Tuesday, July 27, 2010, to testify before the Senate Armed Services Committee hearing on his nomination. (AP Photo/Alex Brandon)

Photo by: Alex Brandon

U.S. Central Command Commander-nominee Marine Corps Gen. James Mattis, left, arrives on Capitol Hill in Washington, Tuesday, July 27, 2010, to testify before the Senate Armed Services Committee hearing on his nomination. (AP Photo/Alex Brandon)