We have to come up with a realistic solution. the problem with biflding a wall of course. terribly expensive. if would not deal with the, estimated up to half the people here unlawfully today came to the country lawfully. if we built the 3,000 mile fence. you know it wouldn't, it wouldn't address the problem of visa overstayers. i do believe we need some kind. we need border fencing. but i think we can take advantage of natural terrain. rely on changing technology. to achieve greater border security. i don't think we need a 3,000 mile fence. thinking, proposing that mexico pay firt. -- pay for...