Doctors at the U.S. Department of Veterans Affairs medical center in Tomah hand out so many narcotic painkillers that some veterans have taken to calling the place "Candy Land." They call the hospital's chief of staff, psychiatrist David Houlihan, the "Candy Man." Current and former hospital staff members describe patients who show up to appointments stoned on painkillers and muscle relaxants, doze off and drool during therapy sessions, and burn themselves with cigarettes. They told The Center for Investigative Reporting that Houlihan himself "doped up" or "zombified" their patients and that workers who raised questions have been punished. Data obtained...