The ACLU says there are over 900,000 names on the government's centralized terror watch list, though TSA says the number is much less. James K. Robinson is on that list - and at least two men have been routinely stopped because of it. Also in this episode, the few schools that teach adults to ride bicycles are experiencing record enrollment. Many students say rising gas prices are a main motivation.Arun Mukerjee, a physician in Cambridge, Mass., recently graduated from a bike riding school. And, back in 1962 when the space race was on, Georg Deutsch approached Steven Schwarcz in the lunch line at junior high and asked, "Do you want to start a rocket society?" That encounter started a relationship that would last for decades, span several rocket experiments, and see their launching of the first non-governmental satellite.