Across the world, populist politics - the idea that society is separated into two groups at odds with one another: the "pure people" and the "corrupt elite" - is often centred on placing the blame on what is perceived to be outside influence, and it's becoming increasingly ubiquitous. Unsurprisingly, this is having an effect on football and how the game is both perceived and being used. What are the implications for football and can it lead to a return to the darker days of the game?