Mark Carney's political career is only months old, and it's already been a roller-coaster ride. The former central banker appeared destined to become one of Canada's shortest-serving prime ministers until President Donald Trump picked a fight with the U.

Carney, a Harvard-educated technocrat two months into his political career, has capitalized on his image as a steady hand at the tiller in an economic storm.

A snap election defined by economic anxiety and annexation threats is now a two-man race about who can stand up to the president.