UPI.comPrime Minister Theresa May promises Brexit plans 'will not be derailed'UPI.comBritish Prime Minister Theresa May wrote in a pair of op-eds that her plans to complete a Brexit agreement with the EU won't be derailed. Photo by Hugo Philpott/UPI. | License Photo. Dec. 17 (UPI) -- Prime Minister Theresa May has claimed her plans to ...and more »