Today, Greece became the first developed country to default on an IMF loan. What happens next is uncertain, but the man who now oversees Greece's economy warned years ago that a default could ripple across the globe.
The International Monetary Fund warns that continuing political and economic woes in the US and eurozone could drag those economies back into recession while the troubles of Italy and Greece in particular continue.
Europe continues to struggle with finding a way out of its economic crisis. The most immediate threat to the Eurozone is the possibility of a Greek default. But some are openly wondering whether it's time to let Greece go.