Here's how to keep track of what Democratic presidential candidates are leading at the first caucus in the United States election.
I hoped that once in office he would rise to the occasion and become more presidential. But that didn't happen.
Joe Biden, Pete Buttigieg, Bernie Sanders and Elizabeth Warren have been wrestling for the top spot in the battleground state for months.
What is the importance of Monday's caucuses?
The Vermont independent senator is ahead of former vice president Joe Biden by 15 points in the early state as the 2020 primaries kick off in Iowa.
Democrats will meet in 1,678 sites across Iowa, plus 87 satellite locations, to begin the process of picking the party's 2020 nominee.
If the Iowa polls correctly predict Sanders' win on Monday night, the senator will head into New Hampshire with enormous momentum for a two-part victory.
The decision marked the first time in 76 years that the results of the influential poll have not been revealed.
The representative from Michigan backed Sanders and responded to Clinton's criticism of the Democrat frontrunner.
A win for Senator Bernie Sanders could set the Democrats on a path to an amazing convention in July.
"Women have been doing really well since Donald Trump was inaugurated," Warren said in a tele-town hall on Thursday.
Joe Biden, Pete Buttigieg, Bernie Sanders and Elizabeth Warren have been wrestling for the top spot in the Midwestern state for months.
Since 2000, every Democratic presidential candidate who won the Iowa caucuses became the nominee.
The comedian will perform stand up for voters in South Carolina in support of Andrew Yang's bid for the Democratic nomination.
Fox News contributors were listed among a group of more than 80 Trump surrogates expected to campaign for the president in Iowa.
"At this moment, when the very fabric of American life is at stake, Elizabeth Warren is the president this nation needs," the editorial board of The Des Moines Register concluded.
Washington Post/ABC survey shows Biden still appears to be favorite, as Sanders gains and Warren's popularity starts to fall ahead of Iowa caucuses.
To beat Trump, Williamson said candidates need to forge an emotional connection to voters, not just tout their stances on the issues.
Bloomberg campaign manager Kevin Sheekey told CNN on Monday that both Democratic and Republican pollsters agree Trump will win Iowa, so Democrats should campaign elsewhere.
While the current favorite in the poll, Sanders' supporters are concerned about his health
"You will have, potentially, three campaigns that might claim they actually won," political strategist Norm Sterzenbach told Newsweek.
Michael Bloomberg, who has not officially declared his candidacy for the presidential race in 2020, ranks below nearly every other candidate in a new poll of Iowa voters.
The event will take place just over three months from the Iowa caucuses that are considered the first votes to elect the president.
Not a single Iowa Democratic voter listed either New York City Mayor Bill de Blasio or Miramar, Florida, Mayor Wayne Messam as their first or second choices.
Comey may simply have gone to Iowa to attend a family birthday dinner.
In a Wednesday email, the candidate accused the media of spreading "false" and "misleading" information.
Trump this week has switched his rhetoric from blaming his second-place win in Iowa on his recent decisions, to attacking Ted Cruz for "fraud" in the state.