Air Canada impasse, walkable cities, reboot summer, and more

Canadian travellers face chaos as the country’s largest carrier makes moves to suspend operations. A strike and lockout notice have the airline cancelling some flights for tomorrow and warning of much more to come.And: It sounds like a no-brainer — where you live influences how much you move. But a new study shows just how much and why it matters. Researchers tracked thousands of people who moved between cities and found their walking habits shifted with their surroundings. They say it's a powerful case for considering public health in urban design.Also: From How to Train Your Dragon, to Freakier Friday, Happy Gilmore and The Naked Gun — this summer Hollywood is all about rebooting and recycling.Plus: Zelenskyy and European leaders talk with Trump about his upcoming meeting with Russia, eastern Canada on high alert for wildfires, and more.