Why I Let My 9-Year-Old Ride the Subway Alone The New York Sun: "Long story short: My son got home, ecstatic with independence.
Long story longer, and analyzed, to boot: Half the people I’ve told this episode to now want to turn me in for child abuse. As if keeping kids under lock and key and helmet and cell phone and nanny and surveillance is the right way to rear kids. It’s not. It’s debilitating — for us and for them."
Obviously not all 9 year olds are ready for this. Read the story and see for yourself.