NY1 VIDEO: A panel - Carla Shedd, a Columbia University sociology professor and author of the book, "Unequal City: Race, Schools, and Perceptions of Injustice"; Dr. Darrin Porcher, a retired NYPD lieutenant and Pace University professor; and Minister Kirsten John Foy, the Northeast Regional Director of the National Action Network - joined Errol Louis to talk about the complicated discussion over policing, criminal justice reform and racial inequality in the wake of the fatal shooting of police officers in Dallas and a string of fatal police shootings of black men.