Biden still leads in 2020 Iowa poll, three others fight for second

Former Vice President Joe Biden still leads the Democratic pack of presidential contenders in a poll of Iowa voters released on Saturday, with Bernie Sanders, Elizabeth Warren and Pete Buttigieg in a tight battle for second place. Biden is the first choice of 24% of likely Democratic caucus-goers in Iowa, the state that kicks off the presidential nominating race next February, in the Des Moines Register/CNN/Mediacom Iowa Poll.

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