ending catch and release, ending the visa lottery program and implementing merit-based immigration. let's start with cnn correspondent ed lavandera who is near the border in texas and was on the scene as border patrol agents detained a group of children and a dultdults. ed. >> hi, fredricka. this is a scene that plays out repeatedly a long the border for weeks. but really takes on a much more poignant and dramatic scene. considering just how dramatic the changes here have been now that these detentions and how all of this is unfolding because of the trump administration's zero tolerance policy. you can take a look at what we witnessed yesterday. it's hard to see people moving through the thick south texas vegetation. the rio grande rolls by just beyond the tree line. and then, just like that, they appear out of the brush. a small group of undocumented immigrants walking into a public park. we just came across this group