Joe Biden once spoke about jailing employers who hire "illegals," said sanctuary cities shouldn't be allowed to violate federal law, and argued a fence was needed stop "tons" of drugs coming into the country from "corrupt Mexico." "Folks, I voted for a fence, I voted, unlike most Democrats -- and some of you won't like it -- I voted for 700 miles of fence," Biden told the group. "But, let me tell you, we can build a fence 40 stories high -- unless you change the dynamic in Mexico and -- and you will not like this, and -- punish...