Momentum is building behind a third term for conservative European Parliament President Roberta Metsola, a prospect set to disrupt an informal agreement among centrist political forces and to put the Socialists and Democrats (S&D) on the back foot. The Maltese politician from the European People’s Party (EPP), who is currently serving her second term as president, is clearly the frontrunner, despite not having announced whether she will seek another mandate. This scenario is concerning for the centre-left S&D group, which should be entitled to the presidency in the second half of the legislature but lacks the political clout to push…