"even better idea: reduce refugees to ZERO"
That should be the goal. I'm afraid it's too late, as Iran has had a pipeline in here from Latin America for years. But we must stop it. Zero tolerance for terrorists/sharia advocates and such.
Bring on the wall, but there are over 100 tunnels under the Mexican border, too. They find and cement the US part, but they build a new wing and are back in business.