A Plane Crash, Warning Signs and an Inve...

The collision of American Airlines flight 5342 and an Army helicopter is the deadliest aviation disaster in the U.S. in 23 years. But there were warning signs. WSJ's Benjamin Katz reports on recent safety concerns about D.C.'s increasingly busy airspace and explains where the investigation goes next. Further Listening: -Your Flight Delay Is Probably New ... Show More