After their Oval Office encounter under the glare of the TV lights, Prime Minister Mark Carney and his U.S. counterpart retreated to the Roosevelt Room for a working lunch on Tuesday. Much of the mealtime chatter was about foreign policy issues,

Bonhomie strained as US president talks about annexing northern neighbour and his dislike of former Canadian PM

As the two countries struggle over a trade war sparked by President Trump's tariff hikes, the U.S. president gave a full display of his unique mix of graciousness and aggression.