I think that we all know what evil is. We have a sense of what's evil, and certainly killing innocent people is evil. We're less sure about what is good. There's sort of good, good enough, could be better - but absolute good is a little harder to define.
“Obama signed the Lilly Ledbetter Fair Pay Act to ensure fair pay for women in the workplace. In addition, he succeeded in getting a measure passed to end discrimination against gays in the military.”
“Welcome to Lake Wobegon, where all the women are strong, all the men are good-looking, and all the children are above average.”