It simply will not work.If it will not work then who cares whether it gets built?
Getting advice from a European gloBULList, this is all we need. The wall, it hurts gloBULList feelings....
Why would you want to build something, at an enormous cost in money, time and political capital, if it wouldn't work? Wouldn't it be better to put your resources and effort into a solution that DID work?
Would you please stop the ad hominem attacks.