Maybe it won't stop the debate over the proper protection of our southern border, but it helps to have some context. And here's some: humans, like most animals, migrate. We go where there's water and food and a chance to live a relatively comfortable and stable life.
It's been true for human history, as Parag Khanna points out in his book Move: The Forces Uprooting Us. The book gives an overview of the forces that produce migration; past, present, and future. We present a re-run of our 2021 interview with the author, as an Independence Day gift.