WASHINGTON — The US and Canada have ramped up their trade war, hitting each other with steep new tit-for-tat tariffs. Despite the bravado coming from both sides of the border, though, analysts suspect the longtime allies will eventually strike a deal to end a conflict neither really wants. The prospects for compromise looked bleak Tuesday, with Canadian Prime Minister Carney reacting to new 50% US tariffs by responding in kind on about $20 billion worth of American imports. …With the breakdown threatening to harm one of the world’s largest trading relationships and clouding efforts to renew the US-Mexico-Canada Agreement, experts cautioned that there’s still time to pull back from the brink. They’ve done it before. “If there is political will, there is an off ramp,’’ said former US trade negotiator Wendy Cutler.

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