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The July 23 execution of double-murderer Joseph Wood Jr. took almost two hours with a combination of drugs other than pentobarbital, a process that left Wood gasping for air as he was dying, witnesses said. (Photo courtesy the Arizona Department of Corrections)

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Corrections Department renews registration to import execution drug

The Drug Enforcement Administration on Thursday renewed the Arizona Department of Corrections' registration to import pentobarbital, the drug of choice for executions in states that allow lethal injection.