Are we getting to the whacko, extremely volatile end game in the Greek debt crisis?

Why, you might well ask (and probably have) am I spending so much time tracking the ins and outs of the Greek debt crisis? Because in the short run this is exactly the kind of scary venture into completely uncharted territory—no country has ever left the euro and in fact an exit was never even contemplated when the euro was put together—that can produce a panicked plunge in asset prices