This February 2012 image shows the U.S. guided-missile destroyer Lassen. The U.S. Navy sent the warship within 12 nautical miles (about 22 kilometers) of islands artificially created by China in the South China Sea. Kyodo /Landov hide caption

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Democratic presidential candidate Hillary Clinton speaks during a community forum on health care at Moulton Elementary School in Des Moines, Iowa, on Tuesday. Charlie Neibergall/AP hide caption

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A view inside the Washington National Guard Army Aviation Support Facility on Joint Base Lewis-McChord in February. As Congress cuts $500 billion from the Defense Department budget, the National Guard and active Army are competing for the same dollars. Patricia Murphy/KUOW hide caption

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John Brennan, who President Obama wants to lead the CIA. Alex Wong/Getty Images hide caption

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