Former Malaysian prime minister Muhyiddin Yassin’s corruption trial opened in Kuala Lumpur on Monday with a courtroom fight over the admissibility of TikTok videos, which prosecutors hope will link millions of ringgit in illicit funds to his Bersatu party. Among the most keenly observed cases involving Malaysia’s political elite in years, the proceedings come three years after Muhyiddin was first charged in connection with projects under his administration’s Covid-19 recovery efforts. Malaysian....