^^^That was a prototype that was being tested, not the actual wall being installed.
Of course the actual wall will be insurmountable. Obviously. Duh.
If the US had been smart, we would've bought the Iron Curtain off of the former communist countries at the end of the cold war.
If we had done that, we would have probably 10.M fewer illegal Mexicans here.
Our wages would be higher and our rent/mortgages lower, not to mention less crime.