Some might think that building a wall on the Mexico border is a surefire way to keep people out of the United States. I mean, if you build it thick enough and tall enough, no one is getting over that thing!
But you would be wrong. Adam Conover of “Adam Ruins Everything” explains exactly why building a wall will only hurt the United States.
For instance, did you know that between 27 and 40 percent of all undocumented immigrants came here on planes? So, that’s something.