I've returned from a long weekend in New Hampshire to find my colleague Coby continuously questioning the concern that America's economic might will be damaged by her educational mediocrity. To be sure, I think these arguments can be overblown and politically unsustainable. Still, there is some pretty compelling evidence about the connection between a nation's educational achievement and economic growth. Take a look at this figure, for example, from a recent Education Next article by Eric Hanushek, Dean T. Jamison, Eliot A. Jamison and Ludger Woessmann. Coby, shouldn't we get a little nervous about the United States' lackluster performance?