My older child struggled to talk. When he was two, he had only a few words, and the pediatrician offered us reassurances—he was fine, just be patient, boys can be late talkers. Six years later, he’s been in hours and hours of speech therapy every week. Therapists have reached into his mouth to hold down the front of his tongue so he can say “cookie...

Difference without Hierarchy

10.2307/j.ctv1htpf72.13