A Win for Dark Money

“Many secrets; no mysteries.” That’s the master code of the Trump administration. When it does something strange, there’s never any mystery as to why: Somebody close to the president, or possibly the president and his family themselves, intends to score a dishonest dollar. Exactly who and how may be secret. Exactly why is no mystery. So it is with the news that the Department of the Treasury has ended ownership-reporting requirements for U.S. businesses and purged the existing database of…