Event planners across Canada rethinking security practices following Vancouver attack / Canada's security complex has woken up to Trump's menace / Mark Carney looking to Europe to boost Canada's security in shift away from reliance on U.S., sources say / Trudeau government's defence spending a 'generational opportunity' for Canada's north, premiers say / Canada's vague and harsh new security law reflects contentious geopolitics / Disputes among Canada's security officials, including Justin Trudeau's top security adviser, put efforts to fight foreign meddling at risk, report warns / Disputes among Canada's security officials, including Justin Trudeau's top security adviser, risked efforts to fight foreign meddling, report warns / Shooting blanks: Why so many Canadian defence policies fail to launch / What's in Canada's new 'Our North, Strong and Free' defence policy