Fernando Casal Bértoa is an associate professor at the University of Nottingham and a co-director of the Research Center for the Study of Parties and Democracy.
Boyko Borisov, the head of Bulgaria's center-right ruling GERB party and a former prime minister, delivers a speech during a pre-election rally in Blagoevgrad, Bulgaria.
A pro-Ukraine demonstrator wearing a face mask holds a placard reading “Hands off Ukraine” during a demonstration in front of the Russian Embassy in Berlin on Feb. 22.
