Where a U.S. District Court was within its discretion to exclude testimony from an expert who had no experience with the type of group he purported to testify about.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. District Judge John Z. Lee.In March 2009, Cathy Truitt joined the Moorish Science Temple of America, which views itself as a sovereign “ecclesiastical government.” The Moorish Temple …