A new New York Times/Siena poll in Iowa finds Elizabeth Warren leading the Democratic presidential race with 22%, followed by Bernie Sanders at 19%, Pete Buttigieg at 18% and Joe Biden at 17%.

They are followed by Amy Klobuchar at 4%, Kamala Harris at 3% and Andrew Yang at 3%.

Key takeaway: “The survey is full of alarming signs for Mr. Biden, who entered the race in April at the top of the polls in Iowa and nationally. He is still in the lead in most national polls, but his comparatively weak position in the earliest primary and caucus states now presents a serious threat to his candidacy. And Mr. Biden’s unsteadiness appears to have opened a path in the race for other Democrats closer to the political middle, particularly Mr. Buttigieg.”