The question of how to police the border between Northern Ireland and Ireland is a thorny one for the Brexiteers.
A hard border will not be good for trade, and will be an expensive proposition (customs posts, inspections etc.)
The European Union and the UK is to hold a month of talks over the issue.
Via Bloomberg
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Should be plenty of GBP wobbling headlines to come in the month!
Yes, its a difficult issue but I see the point about getting it resolved. You really do want to keep the riff-raff out.