Safe David News Today

Promise, put on a peaceful demonstration here in new york city. it begins in union square. and then they say they plan on taking it elsewhere with a march hitting the streets. well be here for the next several hours. neil? >> all right, be safe david. david lee miller in new york city. how should police be preparing for this sort of thing? david cass is the founder of a global security firm. you dont want to come out too strong. you dont want to come out too weak. a delicate balance. what do y...