Countdown To Atlantis Lift-Off: Bittersweet Cheers

Counting down to NASA's final space shuttle launch Friday, Steve Inskeep and Renee Montagne share footage from the shuttle program's roaring start 30 years ago. NPR's Nell Greenfieldboyce reports a celebratory but bittersweet mood at Kennedy Space Center, and NPR's Greg Allen reports from crowds viewing the launchpad from Florida's Space Coast. And finally, Greenfieldboyce narrates the lift-off.