【明報專訊】MANY WAYS of running Hong Kong have been tried since it reverted to Chinese sovereignty sixteen years ago, but the Tung Chee-hwa and Donald Tsang administrations were mired in difficulty, as is the Leung Chun-ying administration. The reason is simple. Hong Kong is such a highly open society and civil society is so mature here that the problem of the government's lack of a mandate will remain unless universal suffrage is introduced.