That would horrible for us, a near impossible mission and, if the cartels completely collapse the Mexican gov., something we would almost have to do.
It is only impossible in the ridiculous “politically correct,mushy,non-judgmetal world”;we need a modern Black Jack Pershing and George Patton.
No we wouldn’t. Just seal the darn border. It can be done if we have the will. Tanks and troops could do it until we put up a REAL barrier. Let Israel build it for us. They know how.