The Des Moines Register-Mediacom Iowa Poll says among the people who have either already voted or definitely will vote in the Democratic primary for Iowa's 3rd Congressional district, 82 percent could l be persuaded to change their minds. While Eddie Mauro has the highest percentage of support at 42 percent, he also has the highest unfavorable rating at 13 percent. Cindy Axne has 33 percent favorable and 8 percent unfavorable, while Pete D'Allesandro has 22 percent favorable and 10 percent unfavorable. If no one gets a majority of the Democrat primary vote, 59 percent said they could support any of the candidates if selected by a convention.