AdvertisementMoms Are Now Primary Breadwinners In 40 Percent Of HomesMay 29, 2013Mark MemmottfacebookEmailDawn Heisey-Grove of Alexandria, Va., hands off son Zane to father Jonathan Heisey-Grove after a midday feeding. The couple were both working full time when Jonathan lost his job as a graphic designer two years ago. She's a public health analyst. He's now a stay-at-home dad. (Kainaz Amaria/NPR)