Boris Johnson is wrong: in the 21st century, sovereignty is always relative

https://www.economist.com/bagehots-notebook/2016/02/21/boris-johnson-is-wrong-in-the-21st-century-sovereignty-is-always-relative

https://www.economist.com/bagehots-notebook/2016/02/21/boris-johnson-is-wrong-in-the-21st-century-sovereignty-is-always-relative