At the G8 Summit on Saturday, world leaders pledged to keep Greece in the euro zone and to revitalize the European economy through stimulus spending. Austerity measures are still on the table, however. In this clip, Chris Hayes and an expert panel discuss what’s at stake in Europe, where some politicians warn of an impending revolution, and in the United States, whose fragile economy may be vulnerable to Eurozone contagion.

—Erin Schikowski