I’m sitting in the airport at Charlotte, North Carolina, on a Thursday afternoon. I am on my way home after a business trip. To my left is a grand piano where a pianist is offering a very energetic rendition of the Friends theme song. Also to my left, is a blue haired young man in his 20s with a nicely contrasting lilac bandana across his forehead. He is sitting on the ground, back against the staircase, enthusiastically singing along with the piano player, throwing in special requests (Do you know any Beatles?) and then, without luck, asks if he could jam on the piano for a bit. To my slight right sit two suit-coated men. The older man has white hair, a mustache, and glasses. He’s slowly drinking a beer. His lunch companion (it’s almost 4 pm, so maybe not lunch in airport world?) is a tall young man that looks like a mix of Anglo and Asian. He’s sporting a pin striped linen sport coat that is slightly wrinkled. All of a sudden they jump up and gather their suitca...