And those walls, even with a roof won't stop someone from getting in if they want to.
Yeah, but you still have them. A huge factor is security. It's not 100% perfectly effective, but effective enough to save countless people from crime and harm - ancient knowledge.
Hey and if you want a wall, why don't you at least hold your Lyin" in chief accountable and get him to make Mexico pay for it as he promised. Blaming dems now is complete Bull Shit.