Unit 2 Space InvadersRichard StengelAt my bank the other day, I was standing in a line snaking around some tired velvet ropes when a man in a sweat-suit started inching toward me in his eagerness to deposit his Social Security check. As he did so, I minutely advanced toward the woman reading the Wall Street Journal in front of me, who, in mild annoyance, began to sidle up to the man scribbling a check in front of her, who absentmindedly shuffled toward the white-haired lady ahead of him, u