The highlight of watching my son’s soccer game last month was the rare sight of a 747 taking off from the nearby MSP airport. For me, the highlight of CNU in Detroit (DTW) last year was arriving that the terminal to see a 747 parked at the gate, preparing for the long flight to Seoul (ICN). The 747 still stops people short, a combination of stellar industrial design, a symbol of cultural and technological change, and an encapsulation of the wonder of flight. As a kid there were three 747 departures per day out of MSP (didn’t you learn your…