Single-mother families make up one in five American families with children under 18. I grew up in one of them. Solo parenting is no easy feat. Even though my Philadelphia childhood was filled with happy memories, we went through hardship, too. I remember how stressed my mom would get about making ends meet. In high school, while I spent hours on homework, she was in court fighting not to lose our house. Too many single moms like mine face unnecessary economic insecurity that jeopardizes the wellbeing of their families. While some argue marriage is the best solution, what really uplifts...