How do we understand monstrous acts committed by people who seem so utterly convinced of their own righteousness?

One hundred and fifty years in prison. Shame brought to his family for bankrupting so many friends. His son took his life. These are the costs Bernie Madoff incurred for running a decades-long Ponzi ...

All new technology has potential—potential for "good" and potential for "evil." The spear to hunt animals to feed the tribe can also be used to kill another human within the tribe. Automatic guns that ...