After five years of pension cuts and tax increases, the prospect of greater austerity in exchange for another bailout was defeated yesterday by a margin of 60 percent. The banks are still closed, and Greece faces default, financial collapse, expulsion from the Eurozone — and possibly from the European Union. Prime Minister Alexis Tsipras calls his referendum "a celebration of democracy" and, for the moment, EU leaders don't know what to do. One sign of possible conciliation is the surprise resignation of controversial Greek Finance Minister, Yanis Varoufakis. We look at possible options for America's biggest trading partner.