If, like me, you love venturing into unknown territory and investigating challenges that are essentially beyond us, then here’s a question.. As we know, time goes forward, but can it go back? Physicist Tom Sheahen explains how to expand human thinking and step up to a higher plane of understanding. It is a challenging but most interesting interview. You may not agree with all he says, but, in the words of Albert Einstein, “I want to know God’s thoughts, the rest are details”. We ruminate over free speech and the Christchurch Call and democracy as our saviour. And we visit The Mailroom with Mrs Producer. File your comments and complaints at [email protected] Haven't listened to a podcast before? Check out our simple how-to guide. Listen here on iHeartRadio Leighton Smith's podcast also available on iTunes:To subscribe via iTunes click here See omnystudio.com/listener for privacy information.