One question has dogged Iowa's Joni Ernst throughout her come-from-behind election to the Senate: what kind of senator will she be?
Throughout the campaign, Ernst, a favorite of both establishment and tea party Republicans, has given few hints, relying more on her narrative and personal "charisma" than on strong policy positions to carry her to an upset.
But there have been times when Ernst may have tipped her hand. Here are seven important moments to know about as she prepares to take office.
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