► Read more at https://on.ft.com/2K1Bsm8<br /><br />The Irish border issue is one of the most contentious aspects of the Brexit negotiations. The FT's Alex Barker explains everything you need to know about the proposed options for a regulatory boundary and how it can be solved.<br /><br />► Subscribe to FT.com here: http://bit.ly/2GakujT<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
