sensors interior reinforcement. we need to fix the legal system of immigration. the bottom line is, we do need barriers in certain areas. nobody wants concrete barriers. border patrol doesn't. they want transparent barriers so they can see through them. you may need retaining walls for flood mitigation on the rio grand. i think it's unfortunate when this term wall gets thrown out there. we're really talking about establishing operational control of the border. >> with all due respect. that's what more reasonable people said, this is not going to happen, he's promising you something that is not possible. now he seems to be back peddling. it seems like that's what you're seeing, but that's not what people are expecting here. >> most with whom i speak they recognize it's not necessary to establish a 2,000 mile concrete barrier. >> nobody was say build that