Prime Minister Mark Carney of Canada wasn’t leaving anything to chance when he was packing for his visit to Washington this week — including, apparently, his neckwear.

Roughly 70,000 people were approved for coverage under the public dental insurance program, but were later deemed ineligible or had been assessed for an incorrect copayment level, Health Canada said Tuesday.

Air Canada is betting on business travel to support an expansion of service from Toronto's downtown airport, with new routes to the United States, in a boost for cross-border flying despite trade tensions between the two countries.