I like FAIRtax, and a border adjustment would be very similar.
The beauty of FAIRtax is that FAIRtax IS A LEGAL (by international law) border tax.
A contrived, piecemeal, product specific border tax is not legal under international law.
I am not an expert on the GATT, but every one of our major trading partners has a legal border tax (THE USA, AS NOTED, DOES NOT!) - it is called a Value Added Tax (VAT) and the USA definitely does not want a VAT!
VAT is an evil tax!