News bites: A bin Laden impersonator at JFK

Your morning transportation speed-read:

The Transportation Security Administration is investigating the length of time it took officials at New York's John F. Kennedy Airport to report a bomb threat from a drunk man pretending to be Osama bin Laden days before the terrorist leader was killed.

Airports are considering what the Southwest Airlines merger with AirTran means for them.

Consumers are dealing with pain at the pump by buying smaller cars.

The National Transportation Safety Board has released its findings in an investigation into an Iowa train crash.