This summer, we were faced for the first time with more kids capable of mowing the lawn than we have lawns to mow. Last year, with Teleri and Aerin mowing the lawn, it was pretty easy to simply have them work out who wanted the front yard and who wanted the back. They had distinct preferences so things were pretty smooth. This year, we needed to add Rhys to the mix. Facing this organizational headache, and the prospects of argument and recriminations, I was struck by inspiration (which is not, as Melissa claims, best described as “an episode”). How about...