Much of the debate about the growing gap between rich and poor in America focuses on the changing job force, the cost of living, and the tax and regulatory structure that hamstrings businesses and employees. But analysis of the social science literature demonstrates that the root cause of poverty and income disparity is linked undeniably to the presence or absence of marriage. Broken families earn less and experience lower levels of educational achievement. Worse, they pass the prospect of meager incomes and Family instability on to their children, ensuring a continuing if not expanding cycle of economic distress.