b'Dr. Michelle Mello is a professor of law and of health research and policy at Stanford University. Stephen Morrissey, the interviewer, is the Managing Editor of the Journal. M.M. Mello, D.M. Studdert, and W.E. Parmet. Shifting Vaccination Politics - The End of Personal-Belief Exemptions in California. N Engl J Med 2015;373:785-7.'