By Gregg WendorfAdvance News JournalWhat’s happening to people lately? It’s like humanity has become unhinged.One of the last bastions for which I had any hope was aviation, where the wackadoos are few and far between.Now it seems, the nut jobs have also taken to the air.Just a week after an off-duty Alaska Airlines pilot tried to shut down the plane’s two engines, I read this story about a Delta co-pilot who pulled his gun on the captain because he (the captain) wanted to divert the plane. Apparently, a passenger was having health issues.“Don’t divert, captain. I have a gun trained ...