As a post-Brexit trade deal is finally agreed between the UK and the EU, here's how we arrived at today's historic deal, four years after the British people voted to leave the European Union. bbc.in/3aGvabC | BBC Politics

Even before the United Kingdom leaves the European Union, the decision to "Brexit" has already wrought significant societal and economic changes in the country. London correspondent Frank Langfitt explains what those changes mean for the future of the U.K. | NPR