Balancing conservation with millions of visitors: Banff National Park at 140

A husband and wife travelling from British Columbia to Toronto for the holidays say they were prevented from boarding a Flair Airlines flight when they showed up at the gate with two dogs and their 10-month-old daughter. Ryan Coulson, an app developer, and Rebecca Bordeiasu, a grade-school teacher, booked their flight on Nov. 3 for a Dec. 12 departure from Abbotsford Airport, near their home in Langley, B.C. Their itinerary, shared with National Post, shows two adult passengers, an infant, and two pets in the cabin. But they say that when they arrived at the gate for the flight,...