Sunday afternoon at a grocery store in the suburbs. I haven't witnessed such unbridled egomania since I watched the news last Black Friday. Niceties are thrown out the window. Road rules are forgotten. (Stay to the right!) The volume is turned way up and your only defense is to keep moving, and keep moving fast. If you abide by the rules, you'll get in and get out, groceries in hand and if you're lucky with very few defensive wounds. Today, I was in the midst of this mess. All was going well. Then you get in line behind cash-and-coupon-Clara. You know who I'm talking about. She's in her early 50's. She had a change purse. She had a coupon organizer. She had a question about every damn item scanned. She had all the time in the world. What she didn't seem to have was a damn clue. I stood watching her. I didn't have much choice. I was about 4th in line and the people ahead of me were absolutely fuming. And just when we were about to make some headway --...