America’s children have suffered from ill-advised public-school closings. Now Democrats want to compound the damage with their welfare spending bill, which would push fathers out of family life and move mothers and fathers alike onto unemployment rolls. Take Section 23001 of the latest draft of the Build Back Better bill, released on Thursday. It would create a large new federal child-care program. For each year that a couple has children under 5, being unmarried could easily save them over $10,000 annually in child-care costs compared with being married. That’s because of how the subsidies are structured. A single mother earning...