Humans aren't alone in wanting to take revenge – some animals like to get their own back too.
We want our children to flourish. To ensure that they do, we need to help them develop their sense of good and evil, justice and injustice. Engaging in politics is crucial to this development.
Sometimes people like poetic justice because the law is not in a position to mete out what is deserved.
Like many cities, Manchester can demonstrate strength through diversity, but must face down the forces that would see it divided.
The mind and body can be linked in mysterious ways ...