As the economy continues to teeter on the precipice of a double-dip recession, there is a growing demand for the president and Congress to rush back from their vacations and do something. But why? What is it that we really think the president can do? While the president’s latest economic plan remains a deeply held secret until after his vacation, pretty much everyone in Washington expects him to call for . . . drumroll please . . . a stimulus plan. Now why haven’t we thought of that before? Oh, that’s right. We have. In fact, we have now had...