We don't have to accept any illegal aliens, especially now.
Too long & expensive? Concrete technology is quite effective and economic these days.
In fact, the construction and maintenance of such a wall would be a profitable project.
Weigh the wall costs against the costs of medical, social and education services stolen by illegals.
make the illegals build it...
Another benchmark for the cost is that freeway sound walls cost $1 million per mile (on both sides of the road). Yet here in CA, they are putting those up like they were going out of style. We could put up a dual fence for about $2B ($1 million x 1900 miles) across the whole US-Mexico border. Even at double or triple the price for rough terrain, that's only a few weeks of the cost of the war in Iraq, and that's money well spent. The pundits like Barnes must think we can't do simple math.
Perhaps you could answer my question too?