While the concept stretches back centuries, it has garnered significant attention in recent decades.Illus: The MIT Press ReaderSupport for Universal Basic Income (UBI) has grown so rapidly over the past few years that people might think the idea appeared out of nowhere. In fact, the idea has roots going back hundreds or even thousands of years, and activists have been floating similar ideas with gradually increasing frequency for more than a century.Since 1900, the concept of a basic income guar...