Samantha Donovan: Hello, welcome to PM. Also, Syria has an interim Prime Minister to guide the country after the ousting of the Assad regime and meet the biologist on a mission in one of Antarctica's most remote areas. Sarah Maunder: No arrests have been made in relation to today's attack in Sydney, but police say they want to speak to …
Rachel Mealey: The former South Australian opposition leader has appeared in court for the first time since being charged with drug offences. Sarah Maunder: It's been a swift and dramatic twist for David Speirs, who less than five months ago was Leader of the South Australian Liberal Party. Sarah Maunder: After Mr Speirs published that video, SA Police confirmed the …