The attacks on Jewish people in Melbourne on Friday night should send chills down the spines of all Australians — Jewish and non-Jewish — who value diversity, culture and the right to be safe. The Home Affairs Minister Tony Burke was right to describe it as an attack on Australia. Australians pride themselves on being fierce defenders of multiculturalism. You will often hear ministers on both sides of politics describe our nation as the greatest multicultural country on Earth. We are right to aspire to this standing but it is highly contestable that we have achieved it. One of the...