Mark Carney says there are many things the US needs from Canada — and a very special kind of boat is one of them

Canada's icebreaker expertise is playing a role in US efforts to expand its own Arctic fleet. Jim West/UCG/Universal Images Group/Getty Images Mark Carney says icebreakers are one of the "many, many, many things" the US needs from Canada. Canada is spending $8.2 billion on six new icebreakers as it strengthens its presence in the Arctic. The US is racing to expand its own polar fleet as melting Arctic ice fuels new routes and rivalry. As trade tensions between the US and Canada boil over,…