Global monetary relations are in disarray. Exchange rates fluctuate wildly among the world’s major trade partners, spawning talk of protectionism and a currency war. Gold is soaring as the dollar slides, and economists debate whether the biggest threat to U.S. recovery is deflation or inflation. We need a giant of economics to help explain all this and recommend a remedy. Where in the world is Robert Mundell when you need him? As it turns out, Mr. Mundell—the Columbia University professor who advocated the hard-money, low-tax policy mix that broke stagflation in the early 1980s, and who received the Nobel Prize … [Wall Street Journal]





