Kyriakos Mitsotakis is enjoying unprecedented popularity not seen since the days of Konstantinos Karamanlis and Andrea Papandreou. How popular they were is debatable, but Karamanlis was Prime Minister four times for a total of 13 years and two months; Papandreou was Prime Minister for nine years and eight months. Mitsotakis has been Prime Minister for five years and six months.…