Photo - This photo combo of images provided by the Oklahoma Department of Corrections shows Clayton Lockett, left, and Charles Warner. Lockett and Warner, two death-row inmates who want to know the source of drugs that will be used to execute them, have placed OklahomaÂ's two highest courts at odds and prompted aggravated members of the Legislature to call for the impeachment of Oklahoma Supreme Court justices. (AP Photo/Oklahoma Department of Corrections)
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