Hundreds of miles from the health care debate that will begin again this week in Congress, lobstermen here are out in force, bees are furiously pollinating the state’s famous blueberries and part-time workers are preparing for another summer tourist season.

As a result of their short-term spike in income, many of Maine’s working class will likely lose some or all of their health insurance subsidy, a feature of the federal health care law, which has been a complicated blessing for the citizens of Maine.

Senator Susan Collins, Republican of Maine, has spent a lot of time thinking about how to deal with these “subsidy cliffs,” even as her party’s leaders press for the wholesale repeal of the Affordable Care Act, President Barack Obama’s signature domestic achievement.

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