I’ve been overwhelmed by the response to my article about Wisconsin prosecutors’ efforts to criminalize conservative activism,complete with terrifying dawn and pre-dawn raids. Without the courage of the raids’ targets who were willing to speak with me–on and off the record–there would have been no story. Ironically enough,on the very weekend that my story hit National Review,the Huffington Post published yet another screed against so-called “dark money” relying on the very existence of the unlawful John Doe investigations to cast a cloud of suspicion on conservative activists. The language is instructive: The Wisconsin Supreme Court is slated to take up...