rafael romo, thank you so much. >> thank you. >> let's get some perspective on all of this now with scott lucas. scott a professor of international politics at the university of birmingham, also the founder of e.a. world view live this hour from birmingham. pleasure to have you on the show with us, scott. what happened on the border will say very different things to a divided nation. some will see desperate migrants fleeing persecution, mothers trying to shuttle their toddlers from teargas. others will see as the president describes it, as example of invasion, people who are not following the rules to enter the u.s. how significant is imagery like this in a bitter debate like the one that is playing out here? >> well, first, let's start with the facts. as you have been trying to do, and that is 500 people, thousands who have gathered in tijuana, moved towards the border. they didn't necessarily storm or rush the border. they weren't invading. they marched. now, they chose to go around