
https://www.theguardian.com/politics/2017/may/04/brexit-talks-leadership-vacuum-leaves-45-chance-of-no-deal

http://library.fes.de/pdf-files/bueros/budapest/15322-20190505.pdf

https://www.gainesvilletimes.com/opinion/letter-why-mexico-border-wall-probably-waste-time-money/