With regard to the Canadian ambassador to NATO specifically, I don't think so, but several other ambassadors, including the American ambassador on several occasions, yes.
On October 2nd, 2018. See this statement in context.
On October 2nd, 2018. See this statement in context.
October 2nd, 2018 / 12:15 p.m.
Vice-President and Director, Foreign Policy, Brookings Institution
With regard to the Canadian ambassador to NATO specifically, I don't think so, but several other ambassadors, including the American ambassador on several occasions, yes.
See context to find out what was said next.