plus, we get some perspective on what the president can and should do about the disaster from michael beschloss, kathleen hall jamieson, and jonathon capehart. >> suarez: then two stories about minerals. margaret warner looks at the discovery of huge untapped deposits in afghanistan. >> woodruff: and kira kay reports on the hunt for the rare earth metals that are key to green technologies. >> the first step in the supply chain for the green world is the mine. people who have knee-jerk reaction, mining is evil, mining is bad, mining is is dirty, then forget green. your world will be black. >> suarez: and jeffrey brown takes us to a one-man show about the life and legacy of supreme court justice thurgood marshall. >> there was a time in this country in, you know, many states not far from where you and i sit that we could not have gone into a restaurant and eaten together. and his life's work changed that. >> woodruff: that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: >> and by the bill and melinda gates foundation. dedicated to the idea that all peop