Their reputation had preceded them. It had not been good. Neither was it accurate. The general laws of migration hold that the greater the obstacles and the farther the distance traveled, the more ambitious the migrants. “It is the higher status segments of a population which are most residentially mobile,” the sociologists Karl and Alma Taeuber wrote in a 1965 analysis of census data on the migrants, published the same year as the Moynihan Report. “As the distance of migration increases,” wrote the migration scholar Everett Lee, “the migrants become an increasingly superior group.”
