Is UBI Better Than Welfare?

A viewer recently asked us what we thought of Universal Basic Income. Antony likes the idea of it, provided it's done well, but doesn't think it could ever possibly be done well. But what about a theoretical UBI? If we could actually figure out how to implement that well, would that work? And why wouldn't that work in the real world? This week on Words and Numbers, Antony and James tackle the issue that's getting a lot of attention in Silicon Valley.