The unthinkable idea that the eurozone might break up is now being thought. And the version of break up gathering ground in people's minds is not that the poor, indebted countries would fall out -- they are prostrate and helpless -- but that Germany would rise up like Gulliver, snap the insubstantial euro-ropes tied round its body, and walk away. Offering a foretaste, a German stockmarket website called Borsenews has now started pricing shares in Deutschmarks as well as euros.
Make of that what you will.