When I led bike tours, one aspect of this multi-faceted job was to give route descriptions each morning before setting out on the day's ride. Generally speaking this was pretty straight forward because even if it was a new trip we had never been on before, the company always supplied leaders with plenty of information about each route. But one particular trip presented very unusual circumstances --Yellowstone National Park during the summer of the big fires. Our first trip there had gone without a hitch as the fires circled the periphery of the park's most popular destinations. But by the time we started our second trip, roads were closing everywhere throughout the park, forcing us to adjust our routes to roads we had never seen. Co-leaders always took turns doing the daily route talk, and on our first day through this uncharted territory, I listened while one of the other leaders gave the day's talk. Instead of saying to all our guests that we had absolutely no idea wh...