President Barack Obama stands with Libby Little, whose husband Dr. Tom Little, an optometrist killed in Afghanistan, is posthumously awarded the 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

President Barack Obama stands with Libby Little, whose husband Dr. Tom Little, an optometrist killed in Afghanistan, is posthumously awarded the 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)