Can We End the Nuclear Threat?

President Obama's attempt to solve the financial crisis will probably seem like a walk in the park compared with the challenges posed in meeting another one of his promises, to ultimately rid the world of nuclear weapons. And yet, there is a more immediate problem that has virtually dropped off the public radar screen -- to stop the spread of those horrendous weapons to other countries, some of which are politically unstable. Scientists around the world are leading the effort to "re-energize"...Full Story