A key new poll of likely Democrat Caucus voters shows Senator Elizabeth Warren has built up a commanding lead ahead of opponents in Iowa.
Ms Warren was the top pick of 28% of likely Iowa Caucus-goers. Joe Biden and Bernie Sanders were tied for second place with 17% each. That’s an 11-point lead for the Senator from Massachusetts.
Pete Buttigieg came in fourth at 13% and Kamala Harris had the backing of 8%.
The poll has a margin of error of 3.9%.
Back in May the same poll had Joe Biden and Bernie Sanders at the top, with 24% support each. They have both dropped by 7 points since then.
Senator Warren, who had 12% support back in May has gained 16 points since then.