Robert Somewall News Today

You cant have a plane engine wind up like this and not know what happened. investigators are digging into this midair engine failed. joining us now is robert somewall of the national transportation safety board. metal fatigue is what is being pointed to early on. a missing fan blade, metal fatigue. is this something that you agree with, something that should have been known in advantage? how do you size this up? >> good morning, chris. youre right. metal fatigue is an issue. in aviation, there s...