Unmasking the Divine on Purim.Nineteen years ago, during my first month living in Israel, I was riding a bus up Jerusalem's main thoroughfare, Jaffa Road. The bus stopped for a red light, and I gazed out the window. I saw an elderly, overweight woman trudging up the hill, schlepping many large bags. A beggar was sitting on the pavement, his hand outstretched. The old woman stopped, set her bags down, one at a time, on the sidewalk, rummaged through her purse, took out her wallet, and handed a coin to the beggar. At that point, the light changed and my...