Shaun Micallef investigates Australia's gambling obsession

Gambling is Australia's national sport. More than half of us have had a punt recently, and we lose around $32 billion each year in the name of a flutter — making us the highest losers, per capita, in the world.The rise of online gambling has changed the game, and there are growing concerns that children and young people are at risk of serious harm.So how can we protect future generations from slipping into the darker side of such a popular Australian pastime?