A Southwest Airlines flight out of Chicago was forced to make an emergency landing in Omaha, Neb. after a passenger attempted to jump out of the exit door mid-flight. Passengers reported hearing a flight attendant shouting for help and rushed back to discover an unidentified man attempting to open the emergency door. They quickly tackled him and the plane touched down, where the FBI were on the scene. The rest of the flight made it to its intended destination in Sacramento about two hours late, with no one physically worse for the wear …