1. John Wennberg directs the Center for Evaluative Clinical Sciences and is the Peggy Y. Thomson Professor for Evaluative Clinical Sciences, Dartmouth Medical School, in Hanover, New Hampshire. Elliott Fisher is codirector of the Outcomes Group, Department of Veterans Affairs Medical Center, and professor of medicine and community and family medicine, Dartmouth Medical School and the Center for the Evaluative Clinical Sciences. Jonathan Skinner is the John French Professor of Economics, Dartmouth College;...