Katerina Sakellaropoulou, left, is sworn in as president of Greece in 2020 as Konstantinos Tasoulas and Kyriakos Mitsotakis applaud. Photograph: Thanassis Stavrakis/Getty Next month Greece will have a new president for a five-year term. Unlike Ireland, where the electorate later this year will decide on a successor to Michael D Higgins, Greece’s new president will be chosen not by its 9.8 million voters, who have no say in the matter, but by the 300 people at the pinnacle of the political system: the members of parliament. And, to be realistic, the 156 MPs of ruling New Democracy. In 2020 prime...