Controversy has followed an exhibit of preserved, plasticized human bodies around the world. Now, a group of Ohio State University students and faculty members is raising questions about "Bodies … The Exhibition" during its six-month stay in Columbus. Like others, the OSU group is challenging whether the bodies are those of people who died of natural causes, as the exhibit's owners insist, or whether they are those of political prisoners who died in Chinese prisons. Premier Exhibitions, the Atlanta company that brought an exhibit of Titanic artifacts to COSI Columbus in 2005, says it's under suspicion because the bodies came...