When she approached me in the hotel lobby, I was reviewing my notes for the presentation I would be giving the next day. My laptop was open on the glass-topped coffee table and twenty-three PowerPoint slides alternated on the screen as I clicked through them repeatedly. I had given this presentation before, many times, but now I was nervous for some inexplicable reason. I was prepared, but on the other hand, I was skeptical of how my talk would be received.

They say the cave offers a passage to the underworld. In ancient Greek mythology, a musician, poet, and prophet named Orpheus, son of the god Apollo, descended through the cave into the subterranean kingdom of Hades in search of his beloved, Eurydice. There are many versions of this legend and none of them have happy endings.