Forty-six years ago my sister fell down a flight of stairs…

We were on the way to my wedding. Our parents had already made their way out to the car, my sister and I were the last to leave our parents' apartment when she tripped over the gown bag that she was carrying. She laid crumpled at the bottom of the flight of marble steps between the second and third floors in the Bronx apartment house where we were raised. I don't remember if it was my brother-in-law or me that ran to get my dad.

Wh...