ANGER IN THE LAND - Scott Pelley reports from Newton, Iowa, where the closing of an appliance factory is causing a negative effect on the community's economy. Robert Anderson, Daniel Ruetenik and Nicole Young are the producers.TAX THE RICH - David Stockman, Ronald Reagan's budget director who once preached tax cuts, is now in favor of putting a one-time surtax on the rich. Lesley Stahl reports and finds just such a proposal on the ballot in the state of Washington. Karen Sughrue is the producer.ZENYATTA - If Zenyatta wins the Breeder's Cup Classic next week to cap an undefeated career of 20 straight victories, some say the 6-yr.-old mare might just be the greatest thoroughbred race horse in history. Bob Simon reports. Tom Anderson is the producer.