By: Joshua Rothman, David Sedaris, Isaac Chotiner, Kate Chin Park, Jessica Winter, Adam Iscoe, Helen Rosner, John Cassidy, Casey Cep, James Somers, Ronan Farrow, Jeannie Suk Gersen
The murder of the UnitedHealthcare C.E.O. and the reaction it provoked have revived some long-standing debates about health care in the U.S.