Speculation among authorities and air experts is running wild Thursday morning over whether Germanwings Flight 9525 was deliberately crashed or whether the lone pilot in the cockpit was medically incapacitated. A French prosecutor is saying the co-pilot, Andreas Lubitz , 28. intentionally locked himself in the cockpit and was “alive at the time of impact.” How this is known is not stated in the report. A more detailed speculation is offered by CNN’s Richard Quest who asks questions not raised in the wire reports CNN.