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Kentucky's Julius Randle, bottom right, announces he will leave after one season to enter the NBA draft during a news conference in Lexington, Ky., Tuesday, April 22, 2014. (AP Photo/James Crisp)
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This April 18, 2012 satellite image provided by GeoEye shows North Korea's Punggye-ri nuclear test site. Commercial satellite imagery shows increased activity at North Korea’s nuclear test site but not enough to indicate an underground atomic explosion is imminent, a U.S. research institute said Tuesday. North Korea last month threatened to conduct its fourth nuclear test and there’s been speculation it may do so as President Barack Obama travels to Asia this week. (AP Photo/GeoEye) **FILE**
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In this April 9, 2014 photo, farmer Craig Boot pulls a tank of anhydrous ammonia behind his tractor before injecting the chemical into the soil in preparation for spring planting in a corn field near the Marion and Mahaska County line outside Pella, Iowa. Doctors at the University of Iowa Burn Treatment Center are worried by a spike in injuries from anhydrous ammonia. (AP Photo/The Des Moines Register, Charlie Litchfield) MAGS OUT, TV OUT, NO SALES, MANDATORY CREDIT
