Former lawyer, Republican congressman and libertarian presidential candidate Bob Barr said the fact that the vast majority of the witnesses had recanted in the Troy Davis case should have implored the Board of Pardons and Paroles to stop the execution.

“There has been very substantial evidence of innocent that has been raised in this case, and I don’t think that it is morally or legally correct for the state of Georgia to execute a man against whom there is very substantial evidence of innocence,” he said Wednesday on MSNBC’s Hardball with Chris Matthews.

Davis, 42, was convicted of murdering Georgia police officer Mark MacPhail in 1989. Since his conviction, seven of the nine people who testified against him have recanted or changed their testimonies.

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