Poverty rates fall through the 70s and 80s and 90s if you hold family structure constants. The problem is that the proportion of all families that are single women with kids explodes over that period. It's a paradox statistically for people but I suspect that's part of what's going on in the black numbers.
Thomas Sowell of Stanford University's Hoover Institution talks with EconTalk host Russ Roberts about the ideas in his new book, Economic Facts and Fallacies. He discusses the misleading nature of measured income inequality, CEO pay, why nations grow or stay poor, the role of intellectuals and experts in designing public policy, and immigration.