Mexico deploys 15,000 troops to US border

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Mexico says it has deployed nearly fifteen thousand soldiers and members of the National Guard to police its border with the United States. Ethiopians are trying to come to terms with a coup which authorities said was foiled, killing the country's army chief and the Amhara region top leader. We try to find out why scientists in the US are still worried by the oil spill in the Gulf of Mexico, which started almost 15 years ago.