Democrats are bullish that they can flip retiring Rep. Don Bacon’s (R-NE) House seat in November as the party tries to gain control of the lower chamber.

But first, voters must decide Tuesday between state Sen. John Cavanaugh and marketing consultant Denise Powell in the Democratic primary. Cavanaugh and Powell are locked in a bitter battle for the nomination, with the survival of the state’s so-called blue dot becoming a flash point in the election.