>>They can go to the American embassy in Mexico and apply there.<<
If we had a pro-American Congress instead of an anti-American Congress a law would have already been passed to clarify that it is illegal for anyone in the world to seek asylum in the U.S. within a country that has its own laws regarding asylum.
“If we had a pro-American Congress instead of an anti-American Congress ...”
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Unfortunately, that seems to be the problem. When Obama issued Executive Orders disregarding immigration law, he had no obstacles thrown in his path because both parties (with some exceptions) benefit by the cheap labor and future Democrat voters. No one cares that the rest of us carry the financial burden and are victims of imported crime.