https://www.cer.eu/sites/default/files/insight_SL_5.11.19_2.pdf
https://www.gov.uk/government/news/joint-article-a-deep-and-special-partnership
https://www.vox.com/2019/6/4/18650850/elizabeth-warren-economic-patriotism-green-marshall-plan
https://policyscotland.gla.ac.uk/blog-sir-ivan-rogers-speech-text-in-full/