Looks like Tspiras tried to roll out the drachma, but got nixed on the funding from Putin:
http://greece.greekreporter.com/2015...rint-drachmas/
I don't have a clue how reliable the "GreekReporter" site is, but it explains the sudden capitulation.
And, speaking of the Russians, here's an interesting take on some things to look for as a "revolution" may unfold in Greece, with a historical perspective from the Reds:
http://cluborlov.blogspot.com/2015/0...evolution.html