https://www.instituteforgovernment.org.uk/printpdf/10590
https://www.ecfr.eu/article/commentary_european_solidarity_tracker_the_solidarity_that_always_was_there
https://www.brookings.edu/blog/order-from-chaos/2019/09/13/the-problem-at-the-core-of-progressive-foreign-policy/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=76826994
https://snyder.substack.com/p/constitutional-self-defense