(ANSA) - ROME, APR 13 - Primaries to establish who should be the leader of the centre left to fight Premier Giorgia Meloni in the next general election should be open to all Italian citizens and not just card-carrying centre-left voters, 5-Star Movement (M5S) leader Giuseppe Conte said Monday. The mechanism whereby the leader of the party that gets the most votes becomes the coalition leader and premier candidate should not be valid for the centre left as it is for the cenhtre right, the two-...