What can America learn from countries as faraway and diverse as Bhutan, Chile, Denmark, Nigeria and South Korea? Quite a lot, as it turns out. At a time of fundamental change in global power, the country that undisputedly ruled the latter half of the 20th century is no longer firmly in the lead. In the search for new ideas to redevelop America, co-editors Joe Colombano and Aniket Shah point to what has happened outside the borders of the United States.