Greece Teeters on Brink of Euro Exit as Referendum Approaches

Greece is expected to go technically bankrupt as it faces defaulting on a $1.8 billion debt repayment to the International Monetary Fund, due Tuesday. The government has ordered banks to close and put strict limits on cash withdrawals. As Henry Ridgwell reports, after months of failed negotiations it appears Greece is about to decide its economic fate - in or out of the euro currency.