When the phone rings for Michael Josephson, it usually means that something has gone wrong. Spectacular disgraces like the savings and loan mess and the police-brutality scandal in Los Angeles have aroused public concern about corruption, and corruption -- and how to avoid it -- is one of Josephson's chief concerns. A former law professor at Loyola Marymount University in Los Angeles, he specializes in teaching ethics courses to government officials, businessmen and just plain citizens. Whether the problem is statehouse wrongdoing or corporate misconduct, his telephone rings often these days with the same request: Can you help us?
Across the...