"Let’s push for home visitation programs that encourage parents to speak to children and read to them; many low-income homes don’t have a single kid’s book. We also need initiatives to reduce exposure to lead and other toxins. Finally, how about screenings for problems like hearing and visual impairment — all followed by a good prekindergarten.
Rigorous evidence suggests that these kinds of interventions save money because the costs of failure are so great. Yet most kids don’t get such help."