Inflation: Past, present and future?

Business Daily explores how rising prices have defined out history and could shape our future. Armand D'Angour, Professor of Classics at Oxford University explains how inflation played a key role in the demise of the Roman Empire.

Justin Rowlatt talks to economist Steve Hanke at Johns Hopkins University in Baltimore about Iran's inflation problem.

Plus former government advisor to George W. Bush- Pippa Malmgren tells us why she thinks we need to start preparing for rising prices now.