delivered the very address that president trump delivered. i watched it. and he made very valid points. but the problem, of course, with the travel ban, is that it doesn't solve the ultimate problem that all of us understand, which is, if you are going to get rid of islamic extremism and fight the battle against isis, a travel ban that doesn't even -- or didn't apply to the visa waiver program, where dual nationals were able to admit to the united states -- i remember saying that you could drive a truck through this travel ban because dual nationals from, for example, britain and pakistan who carry a british passport could have made it into the united states. >> which is why it looked initially sloppy, which hurt them in court. whether the later foreign policy will help them is one of the fascinating parts of this if you want to give the benefit of the doubt. ambassador ginsberg. appreciate your expertise. we open up ari's inbox and answer your questions.