StarTram, a new way to launch people and payloads into space at much lower cost than now possible, will soon radically change the world. How will the world change? Will it be a bright future or a dark future for humanity? We don't know-nobody knows. The outcome will depend on our leaders and how we use this new technology. If the nations of the world cooperate, our future will be very bright: clean, low cost power beamed from space satellites to Earth,...