While shoppers at Omaha's Hinky Dinky supermarket stared in some amazement one morning last week, six purposeful housewives, members of the local women's club, invaded the store in squad formation, loaded three wire pushcarts with groceries, and then posed with the collection for the benefit of news photographers. In Chicago's Morgan Park neighborhood, 17 of her club women gathered for a similar rite around $1,265 worth of furniture. The pushcarts full of food were symbolic of hidden and direct taxes extracted from an average paycheck each year—enough to buy groceries for a family of four for ten months; the pile...