"HE SEEMS TO SPEND 10 MINUTES writing his columns," observes Columbia Business School Professor Charles Calomiris, "and he makes up his facts as he goes along." The object of the professor's low opinion is [NYT] columnist Paul Krugman. Three years ago, I published a book called Econospinning, with several chapters devoted to Krugman's gaffes. I guess that prompted the Nobel committee to give him the prize, thereby magnifying his enormous influence. So perhaps a brief update on Krugmania is in order. No, his coverage isn't always misleading or misinformed. But let's say an expert in science were to tell me...