A girl walks up to my car and taps on my window. I look down to see her clutching what remains of an old ragged doll. Looking back at her, I see her eyes, despondent and empty. She holds her hand out but experience has taught her that more often than not, all she will collect is sympathy. A few cars down, a similar scene plays out except this time, it is a tired mother and her newborn baby. Once...