Artist Nelson Shanks' 2005 portrait of former President Clinton, which hangs at the Smithsonian Institution's National Portrait Gallery. National Portrait Gallery, Nelson Shanks/AP hide caption

itoggle caption National Portrait Gallery, Nelson Shanks/AP

A handout image provided by the Israeli Government Press Office shows Prime Minister Benjamin Netanyahu and his wife, Sarah, leaving Tel Aviv on their way to Washington Sunday. Handout/Getty Images hide caption

itoggle caption Handout/Getty Images

Arizona state Sen. Andy Biggs flips through redistricting maps during a special legislative committee hearing to discuss the state commission's proposed maps in 2011. Ross D. Franklin/AP hide caption

itoggle caption Ross D. Franklin/AP