History has been littered with figures who inspire a testing cocktail of emotions. These divisive characters are normally bound to the confines of fiction given the delicate complexity of a personality required to illicit both disgust and admiration from the same onlooker. Yet, while Holden Caulfield, Patrick Bateman and Bella Swan can certainly divide a room, Luis Suárez offers a real-world example who emphatically splits opinion. Luis Suárez has proven to be a phenomenal footballer but has...