The blonde surf instructor clinched the deal with an offhand comment. We stood outside her shack a few blocks from the beach in Rincon, Puerto Rico, just after New Year’s Day, as I sized up a surfboard I might rent. “Tim Geithner rode this board just yesterday,” she said casually. The United States Secretary of the Treasury rented this thing, seriously? The man at the reins of our creaking economy, whose signature is on every freakin’ dollar bill, had spent New Year’s…surfing? […]