FBI agents and State Police on Wednesday descended on the home of Scott Ritter, a former United Nations weapons inspector who in June had his passport seized by the U.S. Department of State as he attempted to fly to Russia for a conference. Shortly before noon, marked State Police vehicles and unmarked law enforcement cars lined up near Ritter’s Dover Drive home. Just before 5 p.m., authorities carried more than two dozen boxes out of the house. After the agents and officers drove away,...