Tim Eckstein On June 8, the state of Arizona executed Frank Atwood. Atwood, whose mother escaped Nazi persecution in Vienna, faced a perverse choice: suffer execution by lethal injection, or by hydrogen cyanide gas, a version of which was used by the Nazis to murder more than one million Jewish people at Auschwitz. Arizona last used cyanide gas in 1999 to execute Walter LaGrand. The state killed him violently, in all of our names, through a painfully slow asphyxiation that dragged on for an unfathomable 18 minutes. Arizona’s commitment to this hideous execution method should shock the conscience of all...