On a fundamental level most of us would have a similar sense of what’s right and wrong, what’s good and bad.

We view murder as wrong, we don’t randomly attack people on the street and we don’t swipe other people’s stuff from them - for the most part.

Why then, are we so divided when it comes to political ideologies?

Kurt Gray is a Moral Psychologist and author of ‘Outraged: Why We Fight About Morality and Politics and How to Find Common Ground’. He joins Seán to discuss.