If you're into bumper-sticker philosophy, you've probably seen the axiom, "I owe, I owe, so off to work I go." For a vast portion of the workforce, that's the best reason they can muster for going to the job each day. According to one poll, only 43 percent of American office workers are satisfied with their jobs. In Japan, the figure dips to 17 percent. In the first century,…