Growing Bolder

He's one of the brightest -- and most famous -- scientific minds in the world today. The fascinating Dr. Michio Kaku shares some of the latest findings about the mind and how the stuff of science fiction is become reality. Plus, rocker Boz Skaggs' career began in the 1960s and is still going strong today. He explains why he's having more fun, how he's a better player and why he's working more than ever before.