At the U.N. today, Israeli Prime Minister Benjamin Netanyahu used a graphic to show how far he says Iran will be by mid-2013 in a quest to develop nuclear weapons. He drew the red line to mark where he says Iran must be stopped. Lucas Jackson /Reuters /Landov hide caption

itoggle caption Lucas Jackson /Reuters /Landov

President Obama on Tuesday during a speech at the United Auto Workers' National Community Action Program Legislative Conference in Washington, D.C. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images