Why Europe is suddenly rediscovering Greece's financial instability

You'd be forgiven for thinking Greece's financial mess had been straightened out. After all, there's been little talk lately of a Greek exit, or "Grexit," from the Eurozone. But a call for new elections in Greece, coupled with the strength of an anti-austerity party headed by Alexis Tsipras, has Europeans considering Grexit 2.0.