EVANSTON—This week, an anonymous tip led to the discovery that the alleged restoration of Harris Hall, the home of the NU history department, is in reality a hunt for the corpse of Jimmy Hoffa, the long-missing President of the International Brotherhood of Teamsters. The unnamed tipster would only identify himself as a member of the Hoffa Disappearance Investigative Committee (HDIC). Despite his oath of confidentiality to the university, he was unable to keep the information from the public custom term