Nebraska astronaut eager to return for Space Station visit

Since 1998 space crews have been building onto the space station, so that today the various rooms and sections make it as big as a football field. Sixteen countries cooperated to create a research outpost for science experiments that can only be done in space. Life on the Shuttle is quite different how it operates, the routines, and the fact that the space station crew is made up of people from different countries. Clay Anderson has been giving his Discovery Crew members some pointers on how to be good houseguests.