It Takes Two.

The article discusses the deterioration of the two-parent family and the rise in single parenthood in the U.S. Topics discussed include the link between family structure and children's educational achievement and aspirations, economist Melissa S. Kearney's embrace of the marriageable men hypothesis which points that single motherhood rises because men have become unattractive as husbands due to their poor economic performance, and the role of culture in family decline.