You might know the song Autobahn from the band Kraftwerk. It’s a quick little 23 -minute (!) toe-tapper in which they sing in German, “We’re driving, driving, driving on the Autobahn” over and over again to a wash of electronic music. It’s a krautrock classic. To my American ear, it always sounded like they’re singing, “Fun, fun, fun on the Autobahn,” which made for a really weird, robots-have-swallowed-the-Beach-Boys kind of vibe. Anyway, visiting Germany with Mary a few years back, I was fascinated with the Autobahn. The Autobahn is a federal system......