What is your objection to Canada providing lethal training?
Did you have a problem with Canada selling billions of dollars of lethal jeeps to the world's worst human rights violator? 

When has Canada practiced its "traditional role of de-fusing tensions and bringing nations together"?
Providing a conference room for the U.S. and Cuba get together doesn't qualify. According to testimony  by Richard Colvin of the detainee scandals, Canada actually made the job of other Western countries more difficult by alienating the Afghan  population.