"Corporate astronaut": How billionaires are joining the space race

Millions of people watched in wonder as man first set foot upon the moon 50 years ago. But in the era of space travel now dawning, far more of us are destined to join them. Several self-made billionaires have launched space companies that are vying to take civilians to the moon – and this new competitive market could change the way we look at the sky above. Mark Strassmann reports.