On this week's podcast:“Unsettled: What Climate Science Tells Us,  What it Doesn’t, and Why it Matters”, is a very important new book by Dr Steven Koonin. The author argues not against current climate science but against the ‘propaganda’ of the media, politicians and activists. Koonin was chief scientist for B.P. before heading the Dept of Energy in the ObamaAdministration. A must listen, whatever your current views.We have further commentary on the madness in education.And, the Mailroom. Thank you for all your contributions.File your comments and complaints at Leighton@newstalkzb.co.nzHaven't listened to a podcast before? Check out our simple how-to guide.Listen here on iHeartRadioLeighton Smith's podcast also available on iTunes:To subscribe via iTunes click hereSee omnystudio.com/listener for privacy information.