Andrew Fiala is a professor of philosophy at Fresno State University and the director of the university's Ethics Center. He is co-author of the textbook ETHICS: THEORY AND CONTEMPORARY ISSUES, 10th EDITION (Cengage), as well as a number of books and articles. His scholarly writing focuses on war and peace, politics, religion and ethics. He also is a columnist for the Fresno Bee. Barbara MacKinnon is a professor emerita of philosophy at the University of San Francisco. During her 30 years of teaching, her instruction and writing focused primarily on the history of ethics and contemporary ethical issues. She enjoys reading widely, playing the piano, and traveling.