Picture this: 89th Street and East End Avenue. I’m 14. It’s the middle of the winter and I have to be at school (LaGuardia HS.) on the West Side in 20 minutes. Impossible. I was late. This of course was before the Second Avenue Subway! You can imagine why I am now doing a happy dance since my Mom still lives on East End and 89th. The second day it was unveiled I made sure to visit Mom beginning from my Union Square neighborhood, hopping on the Q and loving the route: 14th St,