20141122_ldp001_0Vladimir Putin is not short of problems, many of his own creation. There is the carnage in eastern Ukraine, where he is continuing to stir things up. There are his fraught relations with the West, with even Germany turning against him now. There is an Islamist insurgency on his borders and at home there is grumbling among the growing numbers who doubt the wisdom of his Ukraine policy. But one problem could yet eclipse all these: Russia’s wounded economy could fall into a crisis. More