On Future Perfect, Vox’s Dylan Matthews tackles provocative ideas with the potential to radically improve the world – ideas like opening up our borders. One of the most reliable, best-documented ways to lift someone in a poor country out of poverty is to let them come to the US (or another rich country). That’s the argument made by Fabio Rojas, a self-described advocate of open borders. "Open borders" is often used as a punching bag by immigration opponents, but Rojas argues it could dramatically reduce poverty without costing Americans jobs. Leon Fresco works to help get real immigration legislation passed. He's very skeptical. Find Future Perfect on Apple Podcasts | Google Podcasts | Spotify | Stitcher | ART19  Learn more about your ad choices. Visit podcastchoices.com/adchoices