Malaysia’s ex-leader Najib Razak’s first trial linked to the 1MDB scandal will proceed after a judge ruled Monday prosecutors had made a sufficient case, boosting efforts to bring him to justice over the mammoth fraud.Vast sums were plundered from sovereign wealth fund 1MDB in a multi-billion-dollar scam allegedly involving former prime minister Najib and his cronies, which has triggered investigations around the world.His coalition was ousted at the polls last year after six decades in power