Is "putting down" a murderer "cruel and unusual"? Convicted cop killer Clarence Hill had his day in the U.S. Supreme Court this week as the Justices heard arguments that executing him by lethal injection would violate the 8th Amendment's prohibition against inflicting cruel and unusual punishments. Hill's lawyer claimed that that the State of Florida could not guarantee that Hill would not suffer excruciating pain from the three drugs used together to execute first degree murderers. Lethal injection was devised as a "humane" method of execution by an Oklahoma anesthesiologist Dr. Stanley Deutsch in 1977. Deutsch's procedure involves rendering a...