SYDNEY (AP) — Australian federal and state government leaders on Monday agreed to immediately overhaul already-tough national gun control laws after a mass shooting targeted a Hanukkah celebration on Sydney's Bondi Beach, leaving at least 15 people dead. The action would include renegotiating the landmark national firearms agreement that virtually banned rapid-fire rifles after a lone gunman killed 35 people in Tasmania in 1996, galvanizing the country into action, the nine leaders' said in a statement after an emergency meeting. The violence erupted at the end of a summer day when thousands had flocked to Bondi Beach, an icon of...