Sometimes even the most squalid of matters have silvery linings. In the disgusting criminal case of Dominique Strauss-Kahn, the best possible result would be that he may soon be replaced as International Monetary Fund chieftain by Christine Lagarde, the French finance minister. Her unassailable character, proven crisis-management skills — and yes, it does matter in this case that she’s a woman — can help wash away the DSK stain and distraction with all the dispatch demanded by the current European crisis.

