Michel Marizco
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Under a push to develop nuclear energy, the U.S. is exploring sources for uranium to fuel them. An Indigenous tribe is worried that an uranium mine near the Grand Canyon may contaminate their water.
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In Arizona, the U.S. government is again prosecuting a humanitarian aid worker it says was harboring undocumented immigrants and trying to hide them from Border Patrol agents.
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A jury in Arizona on Wednesday acquitted Border Patrol agent Lonnie Swartz of involuntary manslaughter. He was charged with killing a 16-year-old Mexican teenager in 2012.
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As thousands of troops arrive to reinforce security at the U.S.-Mexico border, Arizona officials worry migrants will try to storm the border.
