Read Article A bill that would allow unenrolled voters to participate in primary elections won bipartisan support in the state Senate on Tuesday, suggesting potential momentum on an issue that has been debated in Maine for years. Two years ago, a proposal to allow unenrolled or independent voters to cast ballots in party primaries passed the Maine House but failed in the Senate. On Tuesday, however, the Senate voted 27-7 to give initial approval to a bill that would create “semi-open primaries” enabling independent voters to vote in a political party’s primary during each election cycle without having to enroll in that party.