Today, we get some context and local impact of today's environmental and energy issues. A historian and environmentalist tells shows how the BP oil spill fits into the history of environmental catastrophes. And, we'll hear how the spill might affect our neighbors in Indiana. We'll also hear about the environmental impact of oil extraction in Canada's tar sands, the number one source of U.S. imported oil. And, Milos Stehlik wraps up his week at the Cannes Film Festival.