Canada accuses U.S. of using economic integration as a weapon as trade fight spurs tariff hikes
· fortune.com
U.S. will impose 50% tariffs on $20 billion worth of Canadian goods, and Canada set Sept. 8 as the start of its retaliatory penalties.
The United States and Canada, historic allies along an undefended border, fell deeper into a trade war Saturday marked by angry recriminations and new tariffs t...