Deborah Hersman, known to many Americans because she's the face of the National Transportation Safety Board at the scene of plane crashes and other transportation-related disasters, is stepping down as head of the NTSB.
I'm Michel Martin and this is TELL ME MORE from NPR News. They say it takes a village to raise a child, but maybe you just need a few moms and dads in your corner. Every week, we check in with a diverse group of parents for their common sense and savvy advice. Today, we want to focus on the toddler years. They are so cute, and they can be so frustrating. They finally learn words, but that word is often no.