Even at Atlanta’s airport, Laura felt that hemmed-in, antsy feeling the city always gave her. The megalopolis, that edgy tempo ... So many Americans, with their clean, expensive clothes and bulging luggage. Milling under the giant, slanting openwork of multimillionecu geodesics, sleek designer geometries of light and space. Rose-pink abstract mobiles, reacting to the crowd flow, dipped and whirled slowly overhead. Like exploded cybernetic flocks of flamingos ...