The sovereign debt crisis worsened as economic pain spread beyond Greece. Portugal asked the European Union for a bailout and Italy's strained public finances led to the resignation of Prime Minister Silvio Berlusconi. EU leaders are pressing for new budgetary rules to tackle the crisis, but Britain is not in favor. It's no exaggeration to say that as goes Europe, so goes America. The European Union, taken together, is America's biggest trading partner. In this photo, Greek pensioners demonstrate in Athens on March 3, 2010 to protest the government's austerity measures.
Louisa Gouliamaki/AFP/Getty Images
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