Australia’s capital will join a gun buy-back as part of a response to a shooting spree that killed 15 at a Jewish festival in Sydney, Prime Minister Anthony Albanese said on Saturday. Albanese’s centre-left government enacted laws in January for the gun buy-back, tighter checks for gun licences and a crackdown on hate in the wake of the December 14 gun attack at a Bondi Beach Hanukkah celebration in Sydney, the capital of New South Wales. The state, Australia’s most populous, became the...