The CFPB said it wants to make it more expensive for lenders to break the law than to obey it. That message was sent loud and clear last week when the bureau and the Federal Deposit Insurance Corp. announced a $200 million joint enforcement action against Discover Bank over some of the company’s credit card marketing practices.Discover will also have to pay $14 million in a civil money penalty to be split 50/50 by the CFPB and the Department of the Treasury. The $200 million is to be divided among more than 3.5 million...