To Infinity, And Beyond!

Hour 2:       As a NASA astronaut, Dr. Ed Lu has spent six months of his life on the International Space Station. And since then, he’s dedicated his career to opening up the possibility of space travel to the rest of us. So how much longer do we have to wait until we’re climbing in space shuttles ourselves? We’ll find out this hour with Dr. Lu ahead of his appearance this week at the Perot Museum of Nature and Science.