Flights grounded, canola pressure, measuring hurricanes, and more

Air Canada and its flight attendants are pointing fingers — blaming each other for the growing impasse. Meanwhile, passengers are left stuck... or scrambling to make other travel arrangements.And: New Chinese tariffs on Canadian canola seed take effect. Ottawa is facing pressure to respond, while the industry braces to lose one of its biggest customers.Also: The latest tropical storm is taking shape in the Atlantic. And as scientists are assessing its strength, they’re also measuring the effects of a slew of cuts to the U.S. agency that tracks and predicts these kinds of storms.Plus: German soccer superstar Thomas Müller has arrived to join the MLS Vancouver Whitecaps, Donald Trump is shifting his tone and sounding more confident the night before a meeting with Putin in Alaska, and more.