I am philosophically opposed to the US opening preclearance facilities. I'm opposed to any country doing so for that matter, it's just that the US has a tendency to extend its long arm more than others. . It should process immigration like practically every other country on the planet- within its own borders.

But this is my view on the matter. Can some find it practical? Sure. I find it conceptually an affront to a country's sovereignty. But if Belgium agrees...or is strong-armed (more likely...)