About 60 percent of Americans have a high-school diploma but not a degree from a four-year college. Forty-four percent of their children are born outside of marriage. This finding is the focus of “The President’s Marriage Agenda for the Forgotten Sixty Percent,” the fruit of the annual “State of Our Unions” report compiled by the National Marriage Project at the University of Virginia and the Institute for American Values. W. Bradford Wilcox, director of the project, talks with National Review Online’s Kathryn Jean Lopez about what’s going on and why i...