Yes, Readers — It’s the day when even hovering parents and litigation-fearing administrators are encouraged to let their kids walk or bike to school! Here are the details as I run off to Windham, New Hampshire, where I will be giving a talk tomorrow at the Children in Nature Conference. It’s all about what happens WHEN we let kids go outside! If you’re up there — hope to see you. (After your kids have walked or biked today!) — L.