【明報專訊】LEGCO was stormed by protesters on July 1 last year. Today (July 1) the national security law has befallen Hong Kong. Over the past year, the city has undergone enormous change. The most undesirable things have happened one after another, dealing terrible blows to "one country, two systems". People from across the political spectrum hold polarised views about the law. However, we can all agree that the newly unveiled law signals a paradigm shift.