USA & Canada Intelligence Brief for September 8: Canada's C$27.6 billion in counter-tariffs on American goods take effect at 12:01 a.m., President Trump

Ottawa targets US$20 billion in US goods after trade talks collapsed, with both sides digging in and analysts warning of further escalation.

Canada's counter-tariffs on billions of dollars in US products took effect Tuesday, as a trade war between the two countries heated up. Ottawa's pushback comes weeks after US…