steve clemons from "the atlantic." ken vogel from politico. david corn and na vid jamali.efore. claims of responsibility. put it in context for us. >> right now recording the claims for responsibility coming in, this is what we have seen at organizations like isis and al qaeda calling on people within countries. we don't know very much about these three individuals. it's interesting that i haven't seen their names yet. it hasn't leaked out at least from the u.s. side. they've called people to action, to basically grab knives, trucks, take action and move forward. i think that that is -- that is what open societies are dealing with. the uk responded, i think, the authorities brilliantly. powerfully and compellingly and i wish our president was applauding that. >> you mention the president, what you wish he was doing. we can read his response today. ken vogel. he says we need to be smart, vigilant and tough. we need the courts to give us back our rights. we need the travel ban as an extra level of safety. among several efforts he made to sort of inject his own policies or do