Hm, there is already quite a lot of fencing in place. 930 kilometers of it. https://en.wikipedia.org/wiki/Mexico%E2%80%93United_States_barrier https://en.wikip

Hm, there is already quite a lot of fencing in place. 930 kilometers of it. https://en.wikipedia.org/wiki/Mexico%E2%80%93United_States_barrier https://en.wikipedia.org/wiki/Mexico%E2%80%93United_States_b...