Libby Little, wife of Dr. Tom Little who was murdered by the Taliban in Afghanistan, left, is awarded the Presidential Medal of Freedom from U.S. Barack Obama at the White House in Washington, D.C., U.S., on Tuesday, Feb. 15, 2011. Obama said billionaire Warren Buffett and 14 other people awarded the Presidential Medal of Freedom today "reveal the best of who we are and who we aspire to be." Photographer: Joshua Roberts/Bloomberg via Getty Images
