Last night, while walking Leo around 10:00, I realized (having stumbled onto it without realizing) that what is normally a field of tall grass on the way home had been cut flat. Instead of comfortable darkness, orange high-intensity lights, even far away, revealed heretofore unseen topography that made this familiar home stretch seem completely alien. The options were to walk back the way we came, down by the river, and add another half-hour to our trip, or to press on. With little moonlight, and with the air cooling quickly, we continued.…