Last Saturday, about 600 far-right activists, politicians and social media personalities, including a handful of Irish men, gathered at the Quinta da Salmanha venue in central Portugal.Behind high-security gates and amid well-trimmed lawns and palm trees, they discussed how to advance the cause of “remigration”, an idea that has become a central tenet of the European hard right in the last three years.By most definitions, remigration means deporting not just illegal immigrants but all people judged to be unassimilated in western society, including citizens and the children of non-white immigrants.Critics say it is essentially a sanitised way of describing state-sanctioned...