Quebec premier says tariff countermeasures will add $1.5B to the province’s economy  CTV NewsCanada hits back with counter-tariffs, formal trade talks with U.S. ‘not taking place’. Follow live updates.  BNN BloombergCarney says he’s not ‘escalating the conflict’ as Canada hits U.S. with retaliatory tariffs  nationalpost.comThe Latest: Canada’s retaliatory tariffs on $28B in U.S. goods take effect  Toronto StarChrystia Freeland negotiated with Trump. Now she’s watching a trade war unfold  NPR