The resignation of Theresa May and the subsequent victory of Nigel Farage’s new Brexit Party in the EU Parliament elections paint a portrait of an extremely polarized United Kingdom, with deep divides between those who favor Farage’s hardline stance toward Europe and those who favor a re-do on Brexit. What’s at stake for the United Kingdom, the European Union, and the global community as October approaches with no exit agreement in sight? Two of the UK’s foremost journalists — editors in chief of The Economist, past and present — offer their perspectives.