Police and Protesters Talk About Policing and Protesting

Police weigh in on policing protests. Protesters weigh in on protesting the police. And our expert guest weighs in with what the research says about when the two groups meet. On Today's Show: Jamiles Lartey , a New Orleans-based staff writer for The Marshall Project, looks at what research shows works best for policing protests, and when over-policing leads to more violence.