Earlier this year, I had some fun when it was revealed that the President’s new Treasury Secretary had a lot of money in the Cayman Islands. After all, leftists want us to believe tax havens are rogue regimes that should be eliminated. Some of them even want military intervention against these low-tax jurisdictions! Much to my amusement, Mr. Lew even pretended he was financially illiterate to justify making sensible decisions to invest via the Cayman Islands. And unlike the President’s first Treasury Secretary, Mr. Lew didn’t break the law and cheat on his tax return. You probably won’t be surprised to...