Chinese diplomats quietly issued warnings to “friendly” influential Canadians in early 2022, advising them to reduce their contact with federal politicians to avoid being caught up in foreign-interference investigations by Canada’s spy agency. Secret and top-secret Canadian Security Intelligence Service documents viewed by The Globe and Mail reveal how China sought to protect its network of “Canadian friends” – a community it relies on to build relations, influence and covertly gather information from MPs and senators. The Globe reported Friday how China employed a sophisticated strategy to seek the return of a minority Liberal government and to defeat Conservative politicians...