A new book offers a firsthand look at the root causes and potential solutions to a critical issue plaguing communities across the country, violent crime. Dr. Rob Gore created a prevention program to keep young people from acts of violence. He sat down with Geoff Bennett to discuss his book, "Treating Violence: An Emergency Room Doctor Takes on a Deadly American Epidemic." PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders