Twenty years ago, Republican President George Herbert Walker Bush gathered the nations of the world in Rio to confront the challenge of global climate change. Two decades later, the challenge is more real, and the damage of climate change more pervasive, but we are further behind than ever in addressing the issue. With each passing day, the danger and the urgency only grow. Promises of action from both political parties have been replaced by a conspiracy of silence. Conventional wisdom tells us that the chances of Congress acting on this issue is rapidly approaching zero. How dramatic and sad that...