Back from the Rockies

If it seems like it's been a bit quiet around here, that's because I haven't been around. I spent most of the last two weeks on one of those classic family road trips that American families insist on inflicting upon themselves every summer they can. (Cue up Lindsey Buckingham's "Holiday Road" from National Lampoon's Vacation.)

Ann and I packed the kids into the minivan for a two-day drive out to Colorado, where we spent a night at the house of my cousin Tim Kuhn, a professor at the University ...