Most of us are busy coming up with shopping lists right now for family and friends, but what about the barbers, babysitters, maids and teachers in our lives? Garry Marr, owner of the Dusty Wallet, wades into the debate over when, why, and most importantly how much to tip this holiday season. Also this week, we talk about what China is up to exactly with its latest interest rate announcement. Chief economist for High Frequency Economics, Carl Weinberg, explains why the Chinese central bank gave some analysts an unexpected surprise last weekend