Tariffs are likely here to stay. What now, for Canada?

Open this photo in gallery: The highly integrated aluminum, steel and automotive sectors have limited options to diversify away from the U.S., leaving their fate largely at the mercy of the trade war.Cole Burston/The Canadian Press When Donald Trump took office earlier this year, trading partners were unsure how serious he was about pursuing the tariffs he campaigned on, and many wondered whether the levies would be primarily used as a negotiation tactic. But six months later, it's increasingly clear that the U.S. President is committed to his protectionist trade policies, even if the tariff rates and targets constantly change….