Author David Callahan, who has been called "a liberal with new emphasis on old values" by The New York Times, is the featured speaker of this year's Conference on Business Ethics to be held Monday, April 16, at 7 p.m. at Virginia Tech's Burruss Auditorium. The conference, in its 17th year, is organized annually by the Business Leadership Center of the Department of Management in the Pamplin College of Business. The event is free and open to the public, and no tickets are needed.