The debate about how to fix America's immigration system is raging, but the solution, according to Bill O'Reilly, is simple.
He proposed on Wednesday night building something like the Berlin Wall on the U.S.-Mexico border. (Because we all know how well the Berlin Wall went.)
"Nobody could get through that fence," O'Reilly said to Karl Rove. "Nobody. It was a formidable obstacle. The Israelis have done the same thing to keep out terrorism there. We haven't done that on the southern border. That's mistake number one."