I believe they're referring to the short story of The Road Not Taken, by Turtledove. https://en.wikipedia.org/wiki/The_Road_Not_Taken_(short_story) https://en.

I believe they're referring to the short story of The Road Not Taken, by Turtledove. https://en.wikipedia.org/wiki/The_Road_Not_Taken_(short_story) https://en.wikipedia.org/wiki/The_Road_Not_Taken_(short_stor... PDF of story: https://www.eyeofmidas.com/scifi/Turtledove_RoadNotTaken.pdf https://www.eyeofmidas.com/scifi/Turtledove_RoadNotTaken.pdf