Scandal: Leaked documents released a few days ago provide juicy insider details of how a fabulously rich businessman has been using his money to influence elections in Europe, underwrite an extremist group, target U.S. citizens who disagreed with him, dictate foreign policy, and try to sway a Supreme Court ruling, among other things. Pretty compelling stuff, right? Not if it involves leftist billionaire George Soros. In this case, the mainstream press couldn’t care less. On Saturday, a group called DC Leaks posted more than 2,500 documents going back to 2008 that it pilfered from Soros’ Open Society Foundations’ servers. Since...