Social issues, particularly the economics of marriage and childbirth, have been major themes in the Republican primary races. As Charles Murray's much-talked-about book Coming Apart points out, marriage is becoming a luxury good: Well-educated rich people get married and stay married. Most of the rest of the population doesn't. This, along with a spate of studies about the growing number of low-income, single-parent families, has spurred a debate about whether government should push marriage as a poverty-elimination tool. But is it really that simple? To quote Beyonc, would poverty go away if we "put a ring on it"?
Statistically it's true...