Democrats have spent a huge sum trying to hold a district representing parts of two Portland suburbs in the Maine House of Representatives ahead of a low-key Tuesday special election featuring three candidates and carrying upset potential.The seat was vacated by former Rep. Kyle Bailey, D-Gorham, when he resigned in October 2021, leading to a rare early-year Maine election for the remaining year of Bailey’s term representing a large part of Gorham and a sliver of Scarborough before redistricting shifts electoral boundaries statewide by the November 2022 election. Former state Sen.