President Barack Obama defended his decision to close the Guantanamo prison camp Thursday and pledged to work with Congress to develop a system for imprisoning detainees who may need to come to the U.S. if they can't be tried or…

Question: What’s going on with the just-announced regulatory reform of derivatives? Paul Solman: Plenty. And you could say it’s about time. One of the leading scandals of recent years (and that’s no easy feat, considering how crooked a track…