Catalan separatist leader Carles Puigdemont returned to Spain on Thursday after almost seven years in exile, despite being wanted on an arrest warrant. Puigdemont appeared in Barcelona in the morning, accompanied by politicians from his liberal Junts party, and addressed a crowd of his supporters. “They have been persecuting us for seven years just because we wanted to give a voice to the people of Catalonia,” he said. Puigdemont sought to lead Catalonia to independence in 2017 with a referendum that was declared illegal. He risks arrest as the judiciary accuses him of personal enrichment. Pui…