CNBC: “Few states have been as vulnerable in the U.S.-Canada trade war as Maine, which sends more than 40% of its exports to the U.S.’s northern neighbor. Those challenges are also piling on top of cost-of-living issues that were already spiraling, especially relating to things like home heating oil, on which Maine depends more than any other state.”“As a result, tariffs specifically — and affordability concerns more broadly — are center stage in this year’s ‘toss up’ Senate race between GOP incumbent Sen. Susan Collins and Democrat Troy Jackson, a former president of the Maine Senate.”