by Sherilyn Connelly If it's true that ain't no man righteous, no not one, then it must be all the more difficult to be moral in the ethical quagmire of a pointless war, and Daniel Kraus' absorbing documentary The Kill Team demonstrates how badly trying to do the right thing can backfire. Adam Winfield was bright-eyed and bushy-tailed when he joined the Army in 2009, intending to fight the good fight in Afghanistan.... [