Greece joins Somalia, Sudan and Zimbabwe on the latest to be in debt to the International Monetary Fund. As Athenians rallied underneath thunderclouds to show their support for keeping Greece in the eurozone of single currency nations, their broke government defaulted on a $2.2-billion payment to the International Monetary Fund. At midnight on Tuesday, Greece joined Sudan, Somalia and Zimbabwe as countries in arrears to the IMF. Also at midnight, the bailout assistance package that began in February 2012 formally expired, leaving Greece without access to any emergency finances. In Washington, the IMF acknowledged that Greece had failed to meet...