iowa caucuses — Nick Rohlman

Sen. Kamala Harris, D-Calif., speaks during a town hall at the Quad Cities Waterfront Convention Center in Bettendorf, Iowa on Sunday Feb. 24, 2019.

Democratic presidential candidate Beto O’Rourke speaks with members of the press after an event at a supporter’s home in Dubuque, Iowa on Sunday, March 16, 2019.

Democratic candidate in Iowa’s first congressional district Abby Finkenauer greets supporters at 7 Hills Brewing Company in Dubuque Iowa on Tuesday Nov. 6, 2018. Finkenauer defeated incumbent Republican Rod Blum and, along with Alexandria Ocasio-Cortez, NY-14, became one of the first women under 30 elected to the U.S. House of Representatives.

Supporters of Abby Finkenauer, the Democratic candidate in Iowa’s first congressional district react to election results on television during a watch party for Democratic candidate in Iowa’s first congressional district Abby Finkenauer at 7 Hills Brewing Company in Dubuque Iowa on Tuesday Nov. 6, 2018. Finkenauer defeated incumbent Republican Rod Blum and, along with Alexandria Ocasio-Cortez, NY-14, became one of the first women under 30 elected to the U.S. House of Representatives.

Former Vice President Joe Biden speaks during the Cedar Rapids Early Vote Rally at the Veterans Memorial Building in Cedar Rapids on Tuesday, October 30, 2018. The event featured remarks from Iowa Democratic Candidate for Governor Fred Hubbell, Iowa First Congressional District candidate Abby Finkenauer, and Vice President Biden.

An RV belonging to congressional candidate J.D. Schoulten is seen during the Progress Iowa Corn Feed in Bondurant Iowa on Sunday, September 16, 2018. The event featured a variety of local and national politicians who spoke on how Democrats can work together leading up to the 2018 midterm elections.

Sen. Kirsten Gillibrand, D-N.Y., addresses community members during a campaign event at the Chrome Horse Saloon in Cedar Rapids on Monday Feb. 18, 2019.

Sen. Ted Cruz, R-Texas, speaks during Ashley’s BBQ Bash, a fundraiser for Iowa Republican Congresswoman Ashley Hinson in Central City on Saturday, August 28, 2021. The event featured remarks from a variety of state and national Republican politicians.

Senator Joni Ernst departs from an event at Metro Harley-Davidson in Cedar Rapids on of Sunday, October 11, 2020. The event was a stop on a two day ride across Iowa which replaced the annual Roast and Ride fundraiser due to the coronavirus pandemic.

Bumper stickers supporting the reelection campaign of President Donald Trump as well as the 1968 campaign of Richard Nixon are seen on a car as motorcyclists prepare to depart an event at Metro Harley-Davidson in Cedar Rapids on of Sunday, October 11, 2020. The event was a stop on a two day ride across Iowa which replaced the Sen. Joni Ernst’s annual Roast and Ride fundraiser due to the coronavirus pandemic.

Students participate in a mock caucus during a government class at Burlington High School in Burlington, Iowa on Friday, Jan. 31, 2020. The class is composed entirely of high school seniors, many who are eligible to participate in the Iowa Caucus for the first time.

Surface cleaner and a rag used to wipe down polling booths sit on a table at a Linn County polling station in Cedar Rapids on Monday, October 5, 2020. Volunteers wipe down each of the polling booths between every voter.

Supporters of President Donald Trump wait in line before an event in Cedar Rapids on Wednesday June 21, 2017. President Trump spoke at several events across the state in his first return to Iowa following the 2016 presidential election.

Democratic candidate for governor Fred Hubbell speaks during the Cedar Rapids Early Vote Rally at the Veterans Memorial Building in Cedar Rapids on Tuesday, October 30, 2018.

Sen. Bernie Sanders, I-Vt., speaks during a campaign rally at the Iowa Memorial Union on Friday, March 8, 2019. The rally was a part of Sen. Sanders' first trip to Iowa since announcing his 2020 presidential bid.

Sen. Bernie Sanders, I-Vt., greets supporters after speaking during a campaign rally at the Iowa Memorial Union on Friday, March 8, 2019. The rally was a part of Sen. Sanders' first trip to Iowa since announcing his 2020 presidential bid.

Democratic presidential candidate Beto O’Rourke greets supporters before speaking at the home of John Murphy in Dubuque, Iowa on Sunday, March 16, 2019. The event was the final in a three-day trip to Iowa to launch O’Rourke’s bid for the 2020 Democratic nomination for President.

Democratic candidate for Johnson County Supervisor Jon Green awaits results in Tuesday’s special election at the Deadwood Tavern in Iowa City. Green won 66 percent of the 14,771 votes cast in the election. “It felt nice to win an election by more than 8 votes” said Green, in reference to his 2018 election as Mayor of Lone Tree and his 2 delegate win at the Johnson County Democratic Party’s nominating convention.