NWA Overflight

All of the possibilities of reasonable explanations for what happened on that flight deck that caused NWA #188 to abandon radio contact and fly out over 100 miles into the wild blue yonder seem to have been negated. Except one. Sleeping, arguing, playing with their private computers - all - seem to have been eliminated. The Doser wonders if one of the pilots said something very absorbing to the other pilot as their plane was flying west across Wisconsin. It could have been something like "Tim, there's something that I haven't told you. It's so hard to tell you but it's been just one of those unavoidable things.............."