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… — John Yarmuth Copy Share Image
I think there's no question that the barriers, the fences and in certain urban areas, the walls, have had an important effect in terms of increasing the manageability and the security of the border. But in fact as Secretary of… — Alan Bersin Copy Share Image