Air Canada is starting to ground flights ahead of a possible strike by its flight attendants, which could impact about 130,000 people a day if there's a complete shutdown. CBS Toronto reporter Ali Chiasson joins "CBS Morning News" from Canada with the latest updates.

Air Canada began canceling flights Thursday ahead of a possible strike by its flight attendants that could impact hundreds of thousands of travelers. A complete shutdown of the country's largest airline threatens to impact about 130,000 people a day.