Getting Revenge and Forgiveness

"Brain Scans Reveal That Revenge Is Sweet": [http://www.sciam.com/article.cfm?id=brain-scans-reveal-that-r]; A brief 2004 article from Scientific American picking up on McCullough's example of how the urge for revenge parallels the brain activity of a thirsty person about to get a drink of water — but, for money.
In Character's Forgiveness Issue: [http://www.incharacter.org/index.php]; In Character, a journal of "everyday virtues" recently published its "Forgiveness Issue." It features interviews with a variety of thinkers on the subject of forgiveness, including an interview with Michael McCullough.
The Forgiveness Project: [http://www.theforgivenessproject.com/stories/]; Based in the UK, this non-profit organization explores forgiveness, reconciliation, and conflict resolution through real-life human experience. They have an exhibition of stories of forgiveness from ordinary people, including Bud Welch's story of forgiving Timothy McVeigh.
"Citizen Enforcers Take Aim": [http://www.nytimes.com/2008/10/07/health/research/07fair.html?partner=permalink&exprod=permalink]; This New York Times article explores the dilemma of the public's desire to take revenge on rule breakers, even when doing so is not the public’s best interest.
"Well, Excuuuuuse Meee!": [http://www.slate.com/id/2202303/]; An article from Slate.com about why humans are programmed to take offense and how this affects our politics.