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European debt

Protesters are seen during a demonstration against austerity cuts in Barcelona, Spain, Tuesday, May 15, 2012. Spain got caught up in the uncertainty surrounding the European single currency and the electoral stalemate in Greece Monday as it saw its borrowing costs rise and stock prices fall at alarming rates. The banner reads in Catalan: "Bankers return the money". (AP Photo/Manu Fernandez)

Europe's debt crisis

The leaders of eight of the world's biggest economies meet this weekend outside Washington, seeking to keep Europe's debt crisis from spiraling out of control and jeopardizing fledgling recoveries in the U.S. and elsewhere.