I dont think they can do that. Which is gonna make the libtards response this morning very interesting. Which also may explain why that response is so slow in coming. Trump may have really blindsided Pelosi here.
Oh.. and they played Republican Chuck Grassley condemning the move.
On Drudge this morning, he has a photo of immigrants riding, en masse, atop trains. Here's an idea for Mexico to help convince DJT to not apply tariffs:
STOP letting immigrants have a free ride atop your trains.
That's not all that hard to enforce.