Christian Science Monitor: Hard times can reveal our hidden talents Lincoln at 200: still a light for democracy’s moral purpose Letters to the Editor Obama buys time for zombie banks More » San Francisco — I was driving home with my sons one day when we began talking about what place on earth each of us most wanted to visit. “The top of the world!” said my nearly always exuberant 4-year-old. Was he thinking of the Himalayas, I wondered, or the Arctic? “The Arctic!” he said. He wanted to go …