Right now its legal for illegal aliens to send money from the U.S. to a foreign country and Vincente Fox and company profit handsomely.
It's time for that to stop.
And, all the kids get their alcohol and cigarettes uder the table. Who are we kidding here ? You think someone under 21 can't get beer/alcohol if they want to ? An 17 year old can't get cigarettes ? You're kidding, right ?
I agree with you that this is part of the overall problem, but I'm wary of, again, creating an uregulated capital flow industry to the tune of 20B. If it worked in the outgoing direction, it could work the other way, as a far larger threat.
Like we don't have enough trouble tracking down terrorist money moved around using Hawala networks (simple google search will explain), we need to get the Mexicans in the same business ?
Seal the border, automated machine gun emplacements with overlapping fields of fire, a fence and a trench. Just have the border patrol drop off extra crates of ammo. Fine employers (25K per infraction ought to do it).