The result of a modern debate is always something of a blur. But what this year's encounters underlined is that this election is primarily about both two very different candidates for prime minister and two very different ideas of what the greatest threat to the country actually is.

The dual Canadian-American citizen has expressed concern he may be barred from re-entering the U.S. after his European tour over criticism of President Donald Trump

Canada's Prime Minister Mark Carney said that China is one of the largest threats with respect to foreign interference in Canada and is an emerging threat in the Arctic.