Oil spill's energy lesson for Obama

Berkeley Lab physicist Richard Muller, author of the new textbook "Physics and Technology for Future Presidents," says Barack Obama could learn a lesson from the Gulf of Mexico oil spill. Using offshore oil to solve America's liquid energy security issue poses a bigger problem than previously thought, he said. You won't find the professor's answer to the problem in the back of the book, but it can be summarized in two words: natural gas. More>