The world’s a pretty confusing place right now – so how do you make sense of it all? This Is Why  takes one story every day, explains how we got here and why it matters to you. Sky News’ Niall Paterson speaks to experts and correspondents from around the world, getting simple answers to some complex questions. Available every weekday afternoon. This Is Why is a Sky News podcast – if you have a question, contact us: why@sky.uk