next step, the boats to panama's migration processing camps just hours away. but is it two or seven? it sometimes does feel like the whole world is on the move just here. i meet muhammad, a lebanese man, who it turns out lived not far from me years ago when i lived in beirut. he's tried twice to get a u.s. visa to see his american wife in san antonio and his children who he says he's not seen in five years. >> i don't care, i want to see my family. it's not easy. maybe you dion the street. everybody you love. maybe you die here. you know that. >> but more often than you expect, that does not happen because of crowds like this.