Jeers resounded throughout a courtroom during a legal battle between Jewish and pro-Palestinian academics, which a judge feared could turn into another royal commission into anti-Semitism.Two lawsuits have been brought against University of Sydney professor John Keane and senior lecturer Nick Riemer over a series of posts on X, formerly known as Twitter.Jewish academics and students have accused the pair of discriminating against Jewish people through social media posts between late 2023 and mid-2024 about the conflict in Gaza.Dr Riemer and Prof Keane maintain the posts are not anti-Semitic because they were criticising Israel and Zionism. They have not yet...