NTSB blames D.C. midair collision on systemic failures: "100% preventable"

Nearly one year after a Blackhawk helicopter and an American Airlines flight collided near Washington's Reagan National Airport, the NTSB blamed the accident on systemic failures within air traffic control, Army aviation and the FAA. The NTSB chair said the accident was "100% preventable." Kris Van Cleave has more.