In Iowa, anxiety and unpredictability cloud caucus finish

JULIE PACE and SARA BURNETT Associated Press DES MOINES, Iowa (AP) — On the eve of the Iowa caucuses, Democratic presidential candidates hustled across the state on Sunday trying to fire up voters and make one last appeal to those struggling to make a final decision about their choice in the crowded field. Speaking to several hundred supporters in Cedar Rapids, Vermont Sen. Bernie Sanders declared "we are the campaign of energy and excitement" and said "we are in a position to win tomorrow night." Pete Buttigieg, the 38-year-old former mayor of South Bend, Indiana, talked up his newcomer status, telling a rally in Coralville that when Democrats have won the White House in the past, "we have done with it someone who is new in national politics." But former Vice President Joe Biden,
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