https://committees.parliament.uk/oralevidence/2766/pdf/
http://www.conservativehome.com/parliament/2016/04/theresa-mays-speech-on-brexit-full-text.html
https://www.youtube.com/watch?v=4ksdrYYUY2w&feature=youtu.be
https://www.socialeurope.eu/trump-and-brexit