As we keep saying 'only wicked minds solve wicked problems' but then the question arises: what's a wicked mind? One answer is that to be 'wicked' in this special sense is to combine moral and material complexity and have an eye for political solutions. So what do 'moral complexity,' 'material complexity,' 'political solution' mean? This week's messenger is an attempt to illustrate those concepts with an experience we are all familiar with: traffic jams.