Stopping over in Phoenix onrnmy way home to Boston a few years ago, I was treated to arnrare desert sight: a storm roaring into the city.rnThe skies opened and rain began pouring down. Then, five minutes after the tempest started, the hotel's lawn sprinkler system came on. Pretty dumb sprinklers. In a city like Phoenix you'd think the gardeners would be running around with Dixie cups to catch every precious drop. Maybe someday the sprinklers will at least be smart enough to check the Internet for a weather report before they start watering. Or maybe they'll just ask the plants themselves.
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