Aaron Ridley: NASA set to launch next generation of satellites

Aaron Ridley, professor of space science, University of Michigan

NASA is about to launch the next half dozen earth-observing satellites. Besides gathering data, they'll demonstrate the next generation in satellite technology and new approaches to studying the planet. Aaron Ridley, professor of space science at the University of Michigan, joins Federal Drive with Tom Temin  with more on these small but potent beauties.