【明報專訊】WHEN Vice-Premier Li Keqiang was here, a reporter's camera was blocked by a police officer, and reporters were kept so far away from him that they could hardly do any real "coverage". However, a bigger concern is that the government has for the first time spelt out the functions the "government medium" should fulfil. Judging from what Chief Secretary for Administration Henry Tang said the day before yesterday, what is called "government medium coverage" will become the rule.