Bloomberg: “About 50 miles west of Washington, in a newly developed zone between the roadside farm stands and the shops that line the Victorian Main Street of tiny Warrenton, Virginia, sits a brick office building that’s emerged as a nexus of Republican secret money and power. The building houses the law firm of Holtzman Vogel Josefiak PLLC, a boutique outfit that specializes in advising organizations that want to participate in the electoral process without disclosing who’s paying their bills.”