Is Italy's Economy Too Big to Fail, but Too Big to Bail Out?

When it comes to the troubled economies of the Euro Zone, "contagion" is what economists, bankers, traders and political leaders fear most. Now the focus has shifted from Greece to Italy. Greece at least appears to be getting its economic act together, but Berlusconi's Italy is another matter. We hear about the billionaire Prime Minister who's promising to resign, and what Italy's potential bankruptcy could mean for the rest of the world.