Thirty Years of Technological History Come to an End

Just before 11:30 today East Coast Time, the voices of NASA were heard describing the launch of a Space Shuttle for the last time. As Atlantis took to the skies at the Kennedy Space Center in Florida, NASA marked the "sentimental journey into history." What did shuttle accomplished in 30 years? Was it a scientific success or a magnificent failure? We talk to one of the first women to work at NASA, who hoped to set foot on another planet. Is America's dream of space exploration out of date?  Is it time to transfer the energy, imagination and resources into the problems we face here on Earth?