Long-time correspondent Bart D. (Australia) posed a profound question: what is the minimum investment (in time, money and effort) needed to ensure one’s children have social mobility, i.e. a cultural/social passport to upper-middle class opportunities? This chart illustrates why the

Paul Krugman made the above statement in 1998, and while I stand guilty for plenty of bad forecasts, Krugman’s internet call is arguably the worst prediction in human history. Naturally, that doesn’t prevent the man from retaining his tenured position of punditry at the New York