In this IEA podcast episode, Reem Ibrahim sits down with Professor Daniel Klein to unravel why Adam Smith-writing in 1776 as revolution erupted-predicted America would become "one of the greatest and most formidable empires that ever was in the world." Starting with Smith's remarkable GDP forecast that America would overtake Britain within a century (which proved dead right), they trace how the Scottish economist saw five liberal principles emerging in colonial thought that would drive unprecedented prosperity.