Have you ever noticed what Paul Manafort’s major crime was? After two years of investigation, after the predawn raid in which his wife was held at gunpoint, after months of solitary confinement that have left him a shell of his former self, have you noticed what drew the militant attention of the Obama Justice Department, the FBI, and, ultimately, a special counsel who made him the centerpiece of Russia-gate? According to the indictment Robert Mueller filed against him, Manafort was an unregistered “agent of the Government of Ukraine.” He also functioned as an agent of Viktor Yanukovych, Ukraine’s president from...