[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2011/images/08/30/costello_vert.jpg width=200 height=230 align="right"] From CNN's Carol Costello: Troy Davis, convicted cop killer, will be executed by lethal injection tonight despite protest and assertions of his innocence from Amnesty International, the Pope and President Jimmy Carter. Whether you agree with them is up to you, but Davis' case aside, American juries seem increasingly reluctant … Continue reading Talk Back: Is it time to re-think the death penalty?