Tonight, jarring details about a near miss at Nashville's airport. >> Yeah, I don't know why they did that 507. >> The confusion clear on air traffic control, which indicates controllers gave an arriving Southwest flight permission to execute a goaround Saturday, aborting the landing and bringing it directly into the path of a departing Southwest plane.Pilots in both aircraft taking evasive action. The FAA says the crews responded to onboard alerts to avoid a collision course. Southwest says the arriving pl ...