Tuesday, Jan. 9, 2007 | The Kojo Nnamdi Show

It's a busy week in technology, with the Consumer Electronics Show in Las Vegas and MacWorld happening in San Francisco. In the first Computer Guys of 2007, get up-to-date on the world of computing and get answers to all your Mac and PC...

You know happiness when you feel it -- but do you know what causes it, or how your happiness compares to that of friends and neighbors? We look at the study of what researchers call "subjective well-being" and the latest theories on what...