An Alabama police chief has determined that one of his officers used “appropriate force,” when the cop arrived at the scene of a traffic accident and immediately shot an apparently unarmed Air Force airman. The airman, 20-year-old Michael Davidson, was shot in the chest and nearly bled out before receiving medical aid, according to the Raw Story. Davidson was driving to Seymour Johnson Air Force Base in Goldsboro, North Carolina. He may have been driving erratically, according to the Ledger-Enquirer. After clipping another vehicle, he pulled over to exchange insurance information with the other driver. Eventually, Officer Phillip Hancock arrived...