Susan Walsh/AP; Chip Somodevilla/Getty Images
AP Photo/Chris Carlson
AP Photo/Susan Walsh
AP Photo/Lucas Peltier
AP Photo/Jacquelyn Martin, File; AP Photo/Artie Walker Jr.
Scott Olson/Getty Images; Drew Angerer/Getty Images
Irfan Khan/Los Angeles Times via Getty Images
AP Photo/Alex Brandon, File; AP Photo/Susan Walsh, File
AP Photo/Evan Vucci
AP Photo/M. Spencer Green, File