We've seen the Model X in the flesh before, at its showy unveiling last February at which Tesla CEO Elon Musk turned up to show off the "Falcon Wing" rear doors and the rather compact seating arrangement that makes room for three full rows of short-legged human beings. Here in Detroit at NAIAS the 2014 model year car is making another appearance, doors open and interior fully-functional. We couldn't resist hopping in there to check out the 17-inch multi-function touch panel. Largely the same as that in the