In Iowa, anxiety and unpredictability cloud caucus finish

DES MOINES, Iowa (AP) — The voting in the Iowa caucuses is finally starting. The candidates have been racing around the state all weeken  trying to fire up voters and make a last appeal to people struggling to make a final decision about who to support in the crowded field.  Campaigns and voters acknowledged a palpable sense of unpredictability and anxiety as Democrats begin choosing which candidate to send on to a November face-off with President Donald Trump.  Four candidates are locked in a fight for victory in Iowa and others are in position to pull off surprisingly strong finishes.