What’s wrong with this picture? Tim Geithner, the former US Treasury secretary and one-time head of the New York Federal Reserve Bank, wants to be seen as one of the guys who got the financial system out of trouble. It wasn’t easy, he admits. And it wasn’t always neat. In fact, you might even call it messy. And — oh, my! — Geithner suffered for his efforts. He’s still suffering today. And you’ll understand this more fully if you cough up $25 for his new book. Tradition dictates that I give the book’s title and the publisher at this point....