FILE PHOTO: An anti-death penalty button is worn by a demonstrator attending a protest against the scheduled execution of convicted murderer Richard Glossip, at the state capitol in Oklahoma City, Oklahoma September 15, 2015. REUTERS/Nick Oxford
FILE PHOTO: An anti-death penalty button is worn by a demonstrator attending a protest against the scheduled execution of convicted murderer Richard Glossip, at the state capitol in Oklahoma City, Oklahoma September 15, 2015. REUTERS/Nick Oxford