nicely. and we're going to have a very strict ban and extreme vetting, which we should have had in this country for many years. thank you, everybody. >> an emergency stay issued by a judge late last night prevents authorities from deporting traveler who is had already arrived in the united states with valid visas. but it is still unclear how many people are currently detained and where exactly they will go. i'm joined by new york city mayor bill de blasio, a democrat. i know you oppose donald trump's executive orders. i want to ask you about the implementations of the executive orders. it seems to be fairly chaotic at jfk aircraft. was there guidance about the new policy to people like you or the people who run your airports? and how it was to be carried out? >> no, there was no guidance. and obviously, there was not clear guidance to federal officials around the country. that's why there is so much confusion here. but let's be clear, president