NASHVILLE, Tenn. — While he was strapped onto a prison gurney awaiting execution, inmate Steve Henley said he hoped for peace for the family of the couple he was convicted of killing. And Henley proclaimed, as he had since 1985, that he wasn't guilty of murdering Fred and Edna Stafford and setting their home on fire. Henley was put to death by lethal injection early Wednesday after exhausting all legal appeals a few of hours before the execution. "I'd like to say I hope this gives Fred and Edna's family some peace," Henley said in his last statement. "From my...