"Imagine if organized religion organized billions of people and trillions of dollars to tackle the challenges that our economic and political systems are afraid or unwilling to tackle--a planet ravaged by unsustainable human behavior and an out-of-control consumptive economy, the growing gap between the rich minority and the poor majority, and the proliferation of weapons of all kinds--including weapons of mass destruction. "Wow," people frequently say when I propose these possibilities. "If they did that, I might become religious again." Some quickly add, "But I won't hold my breath. It'll never happen."