In 2016, Portugal’s president, Marcelo Rebelo de Sousa, issued a lighthearted rebuke to his prime minister: António Costa, the president noted, was prone to “a chronic and slightly irritating optimism”.
Almost six years on, Costa’s optimism appears fairly well founded. On Sunday night the 60-year-old leader of Portugal’s Socialist party (PS) defied the polls, as well as political trends elsewhere in Europe, to secure a surprise outright majority in a snap general election.
