sascha, you support this? >> well, between george w. bush and president obama, the amount of illegals who are actually making it through has plummeted dramatically. and a lot of that has to do with the wall that already has been built. but it's put in the places where the border patrol and dhs says that it's effective, where there's the most traffic in urban areas. so you'ring to that, that part has been effective, the rest is not going to be done because it doesn't make sense. >> lisa? do you agree? >> well, look, i don't think these comments -- i agree with those comments, actually. i don't think there's anything wrong with building a fence. and, look, i think ultimately the costs of illegal immigrants coming to this country is going to trump the cost of a fence. we've seen the fence -- look at san diego, for instance. the federal government built a fence around the border of san diego and tijuana, mexico, and it's cut down illegal immigration by 90% there. so we know it works. it's meant to serve as a deterrent and to deter illegal i

sascha you support this? >> well between george w. bush and president obama, the amount of illegals who are actually making it through has plummeted dramatically. and a lot of that has to do with the wall that already has been built. but it's put in the places where the border patrol and dhs says that it's effective, where there's the most traffic in urban areas. so you'ring to that that part has been effective, the rest is not going to be done because it doesn't make sense. >> lisa? do you agree? >> well look i don't think these comments -- i agree with those comments actually. i don't think there's anything wrong with building a fence. and, look i think ultimately the costs of illegal immigrants coming to this country is going to trump the cost of a fence. we've seen the fence -- look at san diego, for instance. the federal government built a fence around the border of san diego and tijuana, mexico and it's cut down illegal immigration by 90% there. so we know it works. it's meant to serve as a deterrent and to deter illegal immigra