"I'm roughly paraphrasing here, but the pilot came on
the PA and said, 'some of you may have witnessed an incident I was
involved in at the gate. I'm not going to go into the details, but
it was an interpersonal confrontation that upset me significantly
to the point where I'm not focused enough to fly you to Denver. I
feel like I may not be calmed and focused enough to fly to Denver
for another hour.' "