'One last chance': why Irish border question remains sticking point

UK’s dual customs solution has baffled Brussels before this week’s critical EU summit. Michel Barnier has given Boris Johnson “one last chance” to settle on a plan for the Irish border that will avoid a hard border, protect the all-Ireland economy and avoiding the creation of a backdoor into the single market for smugglers and fraudsters. EU leaders will gather in Brussels on Thursday to sign off on such a plan, or start talking about a Brexit extension. What is the UK&rs