If you're looking for one of the worst ideas in contemporary banking, look no further than Germany.
The proposed merger between Deutsche Bank and Commerzbank would make a mockery of any notion that EU governments are serious about ending the "too big to fail" problem. It would also turn back the clock on a guiding principle of European regulation over the past decade: The promotion of a "banking union," where risks are shared widely across the continent on the basis of jointly decided rules.
