The investigations and the scrutiny will have their effect. A resignation here, a candidate choosing not to run there. But no one will go to jail or be punished in the legal sense for the violations of law in Hillary Clinton’s use of a private server for official State Department business. Washington DC, just like Wall Street, seems immune to punishment for the violation of law. Once a perpetrator has been nailed to the political wall, the issue decided, the political power shifts and the political maneuvers result. Political capital is acquired by one group, lost by another. But do...