A fast-growing Michigan cash aid program for moms and babies is coming to Detroit. Detroit Mayor Mary Sheffield announced plans to launch the popular Rx Kids program, which aims to ease the burden on families at what can be a financially challenging but also crucial period for a baby's development. Led by Dr. Mona Hanna, Rx Kids offers $1,500 in cash assistance mid-pregnancy and then $500 a month for at least six months of a baby's life, and already operates in 20 communities across Michigan. Rx Kids focuses on areas with high need — measured by child poverty and maternal and infant health — and is open to moms regardless of income. Early research has shown promising outcomes, including a drastic drop in evictions and fewer preterm births and neonatal intensive care unit admissions. In Detroit, 44% of children under 18 years old live in poverty, according to U.S. Census estimates. Sheffield said she expects the program to kick off with in her first 100 days as mayor. Once Rx Kids go...