That too many African-American children are growing up in single-parent households isn’t news. But Stanford law professor Ralph Richard Banks has initiated a provocative debate that analyzes why black women are the most unpartnered group in our society.

In his new book, “Is Marriage for White People?,” Banks explains: “The percentage of black children born to unwed parents exceeds 70 percent not because single women are getting pregnant more often, but because black women are so much more likely to be single. Unwed childbearing is yet another consequence of the marriage decline.”

In other words, the… more.