There’s a powerful fantasy in American society: the fantasy of the ideal mother. This mother is devoted to her family above all else. She raises the kids, volunteers at the school, cleans the house, plans the birthday parties, cares for her own parents. She’s a natural nurturer. And she’s happy to do it all for free.Problem is? She’s imaginary. And yet the idea of her permeates our culture, our economy, and our social policy – and it distorts them. The U.S. doesn’t have universal health insurance or universal childcare. We don’t have federally mandated paid family leave or a …