Who’s to blame for rising oil prices?

World leaders met in Jeddah, Saudi Arabia, this weekend to find a solution to spiraling oil prices. Instead, the meeting sharpened differences on what the underlying causes are. Oil consumers, like the United States, say it’s all about supply, while the producer nations point to market speculation. The Takeaway looks at the debate and why it’s not settled. Guest: Diana Henriques, The New York Times.