Dr Mumbo How to shut up a pollie in less than 30 seconds August 3, 2017 5:42 4 Dr Mumbo has a new hero.And that hero is Sky News’ Peter van Onselen. .@timwilsoncomau tells @vanOnselenP he’s said ‘everything I have to say’ when it comes to gay marriage. #auspol https://t.co/mYD2D1es38 pic.twitter.com/9RqXhEyihq — Sky News Australia (@SkyNewsAust) August 3, 2017 ADVERTISEMENT