Pound complicates politics

It was a momentous week in the Brexit debate, made all the more difficult by sterling's slide. The FT's Sebastian Payne reports.<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 /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes