>> well, vanz and adidas and converse are still relevant.upreme is obviously one of the hottest brands still. but majority of brands are just really struggling to adapt with how fickle ge nern-z is and howt they are moving. >> you said gen-z is fickle. how do you as a brand deal with someone who is so fickle? >> my suggestion would be to constantly talk to your audience and constantly interviewing them. just understanding what's trending and what's not. what you can jump on and what you can't. because you can't follow every single relevant people ameme an hop onto it. then it becomes inauthentic. >> but you do have to keep changing. you do have to keep evolving or they're just going to -- you know, go there, go there. >> every week, every month you have to keep iterating. a big problem with a lot of the brands is they think that they want to -- millennials have purchasing power and they want to target millennials right now and they care less about gen-z. it's tail end of college, kids are about to graduate from college. they have their own p

just hours ago, the president wrote, mexico has the absolute power not to let these large care vanz avansf people into country, they must stop them at their northern border which they can do because their border laws work. as for the caravan, here is what we know here. this group is the people without borders. and they say their primary goal is to flee violence and political unrest in central america and seek asylum either in mexico or the u.s. let's talk more about all of this with cnn national security analyst samantha vinograd. sam, you say these twitter jabs are showcasing his own misunderstanding of the situation in another country. explain. >> well, i think that we're seeing a trumpian twitter san trump. he's upset no one will pay for his wall. we see him pointing the finger at mexico, see him pointing the finger at democrats, and it is almost like he saw some story on tv yesterday about the caravans and didn't bother to consult with any of his team to find out what's actually going on. >> let's talk about the facts of the situation. one of these tweets, big flows of people are tryi