part one:  Dua Hassan is a physician at Boston Children’s Hospital and a former clinical instructor at Stanford University School of Medicine. I’m a Pediatrician. Here’s What I Tell Parents When They Bring Me RFK Jr.’s Claims.Fact checking doesn’t work.part two: Arthur “Art” Jipson is an Associate Professor of Sociology in the Department of Sociology, Anthropology, and Social Work at the University of Dayton. Right-wing extremist violence is more frequent and more deadly than left-wing violence − what the data shows