My favorite conversations with Zoya all seem to happen on our early morning walks to the bus stop. It is during those walks that she is most wide-eyed, taking in the outside world for the first time that day, noticing what has changed and what has grown and what has slowly faded away. She is alert and aware, full of energy before the day starts to drain some of that élan, slowly, as it does for all of us. One morning last week, she looked up at me as she held my hand and asked quizzically:...