Single mothers are on the rise, making up roughly one in every four households with children under 18, according to a new study by the Pew Research Center. That growth, coupled with the overwhelmingly Democratic nature of single moms, provides another fascinating lens through which to view the changing demographics of the United States — and the challenges those changes pose for a Republican party hoping to reclaim the White House in three years. [cont.]
Chris Cillizza, Washington Post