New details released in D.C. midair collision that killed 67 people

There were no survivors when an American Airlines flight carrying 64 people collided with an Army Black Hawk helicopter carrying three soldiers Wednesday night while approaching for landing at Reagan National Airport. CBS News has learned that just one air traffic control worker from the Reagan National Airport tower was managing the helicopters and planes, a job normally done by two people. Kris Van Cleave has the latest.