* Since 2009, Mr. Heicklen has stood there and at courthouse entrances elsewhere and handed out pamphlets encouraging jurors to ignore the law if they disagree with it, and to render verdicts based on conscience. That concept, called jury nullification, is highly controversial, and courts are hostile to it. But federal prosecutors have now taken the unusual step of having Mr. Heicklen indicted on a charge that his distributing of such pamphlets at the courthouse entrance violates the law against jury tampering. He was arraigned on Friday in a somewhat contentious hearing before Judge Kimba M. Wood, who entered a...