Louise Blais is a former Canadian ambassador to the United Nations and former consul general to the U.S. She is currently diplomat-in-residence at Laval University. Listening to national security adviser Jody Thomas’s testimony about Chinese interference in the House of Commons last week, everything I heard rang true. In my time in government as a senior diplomat, I had access to that infamous “secure system” she referenced. In fact, I was a keen consumer of its intel information. However, I was the exception. Many of my colleagues, understandably, did not take the time out of their busy days to leave...