http://cep.lse.ac.uk/pubs/download/brexit11.pdf
https://www.gov.uk/government/speeches/eu-speech-at-bloomberg
https://www.youtube.com/watch?v=4ksdrYYUY2w&feature=youtu.be
https://www.instituteforgovernment.org.uk/sites/default/files/publications/negotiating-brexit-preparing-talks-uk-future-relationship-eu-FINAL_1.pdf