A protester holds a sign during a demonstration in front of the White House in Washington, DC, on October 13, 2013 demanding an end to the US federal government shutdown. All eyes turned to the US Senate Sunday to work out a deal to remove the threat of a historic default with just days before the United States reaches its borrowing limit. The Senate was to convene for a rare Sunday session, grappling with an impasse that has shut the US government for nearly two weeks, sending tremors of concern around the world. With the US projected to hit the limit of its borrowing authority on October 17, political leaders on both sides were maneuvering with increasing urgency to find a way out of the crisis, but with little to show so far. AFP Photo/Jewel Samad        (Photo credit should read JEWEL SAMAD/AFP via Getty Images)