> I traveled to South Korea to see what a free market for teaching talent looks like—one stop in a global tour to discover what the U.S. can learn from the worl

> I traveled to South Korea to see what a free market for teaching talent looks like—one stop in a global tour to discover what the U.S. can learn from the world's other education superpowers. Education superpower for having well-educated citizens? Or educations superpower for having many of the top universities?