As the mother of two precious children, I know just how important the first years of life are. Milo, 5 and Elizabella, 2, are like little sponges. Every day they absorb new words, new skills and new ways of navigating this world that will serve them for a lifetime. As an advocate for mothers and children throughout the world, I want to applaud New York City’s Mayor, Bill de Blasio. In less than three years in office, his administration added full-day, high-quality and free Pre-K for All. Now, the Mayor is going a step further, announcing 3-K for All, free, full-day high-quality education for...