Mexico would never allow it. No country would allow that.
We can stop them at the border. We can make them all apply for asylum. We can hold them all. Anyone coming in illegally should be sent home immediately.
There is not much more we can do, based on our existing laws.
Right now we should be building tent cities for all of the nice people and their children.
Oh, and stop all money transfers out of our country to Central America. And stop all aid to Mexico and Central America.
exactly! This can be done quickly. All adults should be kept there until processed, a few at a time. Most of them will be sent home.