https://www.politico.eu/article/european-parliament-harassment-intimidation-abuse/
https://ecfr.eu/article/polarised-power-the-three-republican-tribes-that-could-define-americas-relationship-with-the-world/
https://www.socialeurope.eu/wp-content/uploads/2018/12/SD_ProgressiveSociety-SustainableEquality.pdf
https://blogs.lse.ac.uk/europpblog/2023/04/14/why-views-on-inequality-define-the-left-right-divide/