Two sides of how far the world has evolved, in one airport trip

Yesterday I had to fly from Charlotte to Chicago, then Chicago to Minneapolis (the way out had been direct). It was one of those situations where, as Plane No. 1 lands and taxis forever, you start to get nervous -- there's a very small gap until Plane No. 2 and OMFG, what if for some reason it's in another terminal -- and then invariably you get off Pla…