Walls are very important when you`re separating two urban areas where if you`re actually able to get over the border you can probably get into the underground network in about 30 seconds. But when you`re out in the middle of the desert, it makes no sense because you have border security people have up to a day to apprehend people who are crossing illegally.

The only thing I heard Speaker [Paul] Ryan say that made sense was, we actually really need to look at this and see what makes sense and what doesn`t, because electronic detection in those kind of - and drones and other types of border protecting devices seem to be much more effective in certain places.

When your voice contradicts reality and truth, the only way to create space for it is to discredit reality and truth.

Countries make policies for themselves. And Donald Trump wants to make - that`s his policy.

I was part of the gang of eight in the house in 2013 that was working on comprehensive immigration reform. We talked a lot about border security and what was effective and what was not. Walls are not effective when you`re out in the desert and you don`t need them.

What I always say with these things, when you`re trying to do comprehensive things like tax reform, there will be 20,000 lobbyists in Washington trying to work their will on that piece of legislation so, you know, people think it`s going to be a lot easier than it will end up being.

Walls are very important when you`re separating two urban areas where if you`re actually able to get over the border you can probably get into the underground network in about 30 seconds. But when you`re out in the middle of the desert, it makes no sense because you have border security people have up to a day to apprehend people who are crossing illegally.