Greece's euro membership is dangling by a thread. According to finance ministers in the rest of Europe, the Greek government has just a few days left to preserve its place in the currency union. Based on how talks have gone so far, the chances of a sudden deal don't look too positive. But how would it actually happen? There aren't many modern examples of a country leaving a currency union. Some people use comparisons to Argentina, which has seen massive devaluations in recent decades — but that was a huge reduction in the value of the same currency, not an entirely new one. Here are 7 steps that could take us from ... (full story)