Brussels is set to try and grab the London-based euro-clearing market according to reports today. This follows the news that last week's Downing Street dinner for Theresa May and EU Commission boss Jean-Claude Juncker didn't go well. Could the market be a source of tension in Brexit negotiations, or will it be a useful bargaining chip for the UK? Ed Bowsher spoke to John Rentoul, Chief Political Commentator for The Independent.
