London mayoral election: Zac Goldsmith cab share

The Conservative candidate for mayor of London says he would like making the city affordable to be his legacy, if he is elected in May. Zac Goldsmith and Labour candidate Sadiq Khan are the front-runners in the race to succeed Boris Johnson as the next mayor. Mr Goldsmith also answered a series of London-based questions asked by assistant political editor Norman Smith as he drove a taxi through central London.