Economics Prof. Joseph Stiglitz (who has recently filled in, on occasion, for Nicholas Kristof on his New York Times blog) may be January’s most-quoted man — and he’s well on the way to claiming the same role in February. On Wednesday, he wrote a guest column in the Times preaching economic gloom, offering a suggestion to address pretty much every economic problem America is [potentially] facing. He also appeared on Monday in the Times of London (Day of Reckoning in the US Glasshouse) and, earlier in the month, in the Guardian (Stagflation Cometh). The winning quote? Describing the Fed’s recent rate cuts as “pushing on a piece of string.”