Here's someone who was willing to accept some risk in order to help her son learn on his own: http://www.nysun.com/opinion/why-i-let-my-9-year-old-ride-subway-

Here's someone who was willing to accept some risk in order to help her son learn on his own: http://www.nysun.com/opinion/why-i-let-my-9-year-old-ride-subway-alone/73976/ http://www.nysun.com/opinion/why-i-let-my-9-year-old-ride-su...