Wall Street exploded in the 1980's. American business went on a romp. But in the wake of the boom, fundamental questions are being asked about the ethical price of the bottom line. Joanne Ciulla is Senior Fellow at the Wharton School at the University of Pennsylvania. She brings a background in philosophy to the classroom — teaching business ethics and management. A WORLD OF IDEAS with Bill Moyers aired in 1988 and 1990. The half-hour episodes featured scientists, writers, artists, philosophers, historians -- some well-known, many never before seen on television.