Canadians will head to the polls on April 28 to decide who will form the next government. With the departure of long-time Prime Minister Justin Trudeau, the two main contenders for the role are Mark Carney from the Liberal Party and Pierre Poilievre from the Conservative Party.

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.