Picture yourself on a suburban hilltop in the rain and looking across a gray cityscape. It could be the town you grew up in or the one where you now live. In the rain it seems cold and inhospitable. The buildings look tattered and old. The streets are clogged with traffic and everyone seems miserable and bad-tempered. Then something miraculous happens. The clouds part and the sun comes streaming through. The whole world is transformed in an instant. The windows of the buildings turn to gold. Gray concrete changes to burnished bronze. The streets look shiny and clean. A rainbow appears. The
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