Evening Update: National-security official explains why they blew the whistle on Chinese interference

Good evening, let's start with today's top stories: Since February, The Globe and Mail has published several breaking news stories revealing the extent of China's efforts to influence Canadian elections. Today, we've published an op-ed by a national-security official whose revelations formed the basis for much of Robert Fife and Steven Chase's reporting. In the opinion article, the author explains their decision to reveal secret and top-secret intelligence documents to The Globe and Mail, and why making that choice did not come easily. As Globe Editor-in-Chief David Walmsley writes in a short note attached to the op-ed, The Globe believes…