1. Jill Bernstein is a senior research associate at the National Academy of Social Insurance in Washington, D.C., and coeditor of Managed Care Research, a book series of Sage Publications. Previously, shewas deputy director, Office of Program Development, at the Agency for Health Care Policy and Research. Rosemary Stevens is the Stanley I. Sheerr Endowed Term Professor and professor of history and sociology of science at the University of Pennsylvania. She is the author of In Sickness and in Wealth:...