You write: Didn't he become retarded DURING the cop shootout he got convicted on?" And say that this makes "a big difference". Really?
Does your moral caliper allow you to approve of a white politician murdering a black man in the south who suffered severe mental impairment?
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"Ricky Rector had shot himself in the head prior to his arrest. The bullet wound and subsequent surgery resulted in the loss of a large section of the front of his brain. As his execution approached, the death watch log maintained by prison personnel at the Cummins Unit in Varner revealed an inmate displaying clear signs that he was seriously mentally disabled. The log’s entry for 21 January 1992, for example, described Ricky Rector as "'ancing in his cell.... Howling and barking while sitting on his bunk.... Walking back and forth in the Quiet Cell snapping his fingers on his right hand and began noises with his voice like a dog.' Whether or not to proceed with his execution, a journalist later wrote, 'became a test in Arkansas of the lengths to which a society would pursue the old urge to expiate one killing by performing another – and a test of the state’s highest temporal authority, the governor, who alone could stop it.'
"The Arkansas governor, who at the time was seeking the highest office in the country, chose not to stop it. Breaking off from presidential campaigning, Governor Bill Clinton flew back from New Hampshire for Ricky Ray Rector’s execution. This calculated killing, when it came on 24 January 1992, had a final outrage in store. The execution team had to search for 50 minutes to find a suitable vein in which to insert the lethal injection needle. Rector, apparently not comprehending what was happening to him, helped them in their macabre task. Earlier, as was his daily habit, he had left the slice of pecan pie from his final meal "for later". And shortly before that, catching a glimpse of Governor Clinton on the television news, Ricky Rector told one of his lawyers, 'I’m gonna vote for him for President'."
http://web.amnesty.org/library/index/engamr510032006