Clean energy. Finance. Health and medicine. With innovation in these vital sectors transforming the way people live and work around the globe, the MIT Enterprise Forum of Cambridge is zeroing in on them for its annual summit, aptly titled Power, Drugs & Money. Keynoting the day-long extravaganza is John Kao, author of Innovation Nation (Xconomy’s Bob Buderi will be moderating a panel—but don’t let that keep you away).