Leading opposition parties in Tunisia asserted Wednesday that politically motivated arrests and gag orders are creating impossible conditions for holding democratic elections later this year. Members of the National Salvation Front, a coalition of secular and Islamist opponents to President Kais Saied, said a government crackdown on opponents had created a climate of fear, making campaign requirements like signature-gathering nearly impossible. “There is a clear message behind all these targeted arrests,” Riadh Chaibi, a leading member of the Islamist party Ennahda, told a press conference in …