A worker leaves the beach as storm clouds approach Sunday in Grand Isle, La. With BP declaring failure in its latest attempt to plug the uncontrolled gusher feeding the worst oil spill in U.S. history, the company is turning to yet another mix of risky undersea robot maneuvers and long-shot odds to keep crude from flowing into the Gulf. Jae C. Hong/AP hide caption

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Turkish demonstrators wave Palestinian flags and shout slogans during an anti-Israeli protest Monday on Taksim Square in Istanbul. Mustafa Ozer/AFP/Getty Images hide caption

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South Sudanese women carry cans filled with water on their heads at Terekeka, north of Juba. Many southerners say they plan to vote for independence next year. Tony Karumba/AFP/Getty Images hide caption

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Teens who bum cigarettes every now and then find that addiction can happen before they know it. iStockphoto.com hide caption

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