In a video posted to social media, Alex Turnbull urges voters to kick out the Liberals in the upcoming Wentworth byelection - an election triggered y the ousting of his father, Malcolm Turnbull. He says the party has been taken over by ‘extremists on the hard right’ who have attempted to prosecute a ‘culture war’ over climate change. He speaks of the ‘terrifying’ IPCC report and how ‘insane’ it is not to take action