British Prime Minister Theresa May leaves 10 Downing Street in London on November 16, 2016, ahead of the weekly Prime Minister's Questions (PMQs) in the House of Commons. - The British government insisted on November 16 that it has a plan for Brexit, after a leaked memo prepared by a consultancy firm warned it could take another six months to agree its negotiating strategy. (Photo by Niklas HALLE'N / AFP) (Photo by NIKLAS HALLE'N/AFP via Getty Images)