https://www.newstatesman.com/ideas/2021/02/what-does-it-mean-be-pro-european-today?mc_cid=4118481f79&mc_eid=286ad5ef5f
http://blogs.lse.ac.uk/brexit/2017/07/19/euroscepticism-has-taken-hold-across-the-eu-but-it-has-many-different-roots/
https://www.socialeurope.eu/when-never-again-becomes-again-and-again