Walkley award-winning investigative journalist and war correspondent Peter Greste embarks on a journey to demystify the story of Australia's Great War hero, Sir John Monash.

"What's on your mind?" It's the friendly Facebook question which lets you share how you're feeling. It's also the question that unlocks the details of your life and helps turn your thoughts into profits.

Hosted by Hamish Macdonald, Q&A puts punters, pollies and pundits together in the studio to thrash out the hot issues of the week. It's about democracy in action - the audience gets to ask the questions.