DES MOINES, IOWA (AP) -- There are big races on the ballot in Iowa, but that doesn't mean that turnout will be big, too.
Secretary of State Michael Mauro predicts Tuesday turnout will be roughly 1.1 million voters, or 52 percent of the state's registered voters. That's about the same as four years ago, during the last midterm election.
Among the top races are an unusual effort to remove three Iowa Supreme Court justices because they supported a unanimous 2009 ruling that legalized gay marriage in the state.
The race for governor between Democratic incumbent Chet Culver and Republican challenger Terry Branstad has been the most expensive in state history, with more than $16 million raised.
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