I've already offered some solutions.
Your so called solutions seem to be pretty much a open border situation except for known criminal elements and how ya gonna know who is who? ahh It don't matter they will be good once in the good ol US of A.
Not to attack, but I don't think some want to understand. They live in the PC fantasy and not the real world.What part of "illegal" don't you understand?
That might be a nice way to think about life but it doesn't work no more that the idea of pure communism is a great idea but in actual practice is a complete failure.
Also their task is being to close a great thread and I fear it is happening.