Art has a superpower: it affects those who are looking at it. It doesn't matter if it causes love or hate, passion or disgust. Whether it invokes good or unpleasant feelings. What matters is that we can hardly remain passive when looking at a work of art. It is never innocuous. And that's why art has always been about discussion. Whether it's an external discussion or an internal one - the viewer is called into some kind of discussion when appreciating a work of art. That'...