In his essay America and Americans, John Steinbeck recalls a neighbor of his in New York City who would pursue her happiness every summer morning at about 9 o'clock. Outside of her small flat, she'd set up a canvas deck chair and beach umbrella beside a cocktail table, before unfurling a fake green lawn and placing on it two pots of red geraniums, an artificial palm, and a little cabinet with cold soft drinks. Then, as though relaxing on her country estate, she would sink luxuriously into the chair. "She nodded and smiled to everyone who went by," Steinbeck writes, "and somehow she conveyed her dream to everyone who saw her, and everyone who saw her was delighted with her." Once, in a fit of inspiration, Steinbeck waited for a moment when the porch was left unattended and contributed a potted fern and a bowl with two goldfish to her urban paradise. To his delight, the anonymous gifts became fixtures of her setting for the remainder of the summer...