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, Greeceās 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...