Hong Kong's government is preparing to clear the streets after weeks of protest. The demonstrators want direct talks with Beijing over who gets on the ballot for the 2017 Hong Kong election. But there is more than politics at play. China has had almost a generation to win hearts and minds in Hong Kong - a time when the mainland population has become increasingly nationalistic. What has gone wrong in Hong Kong? Our four experts tell a story of snobbery, arrogance and perhaps unrealistic expectations on both sides. Helena Merriman presents.