Marc Korver of Washington, IA listens to Senator Elizabeth Warren (D-MA) during a town hall rally at Taft Middle School in Cedar Rapids, IA on Saturday, Nov. 16, 2019. Korver has been to about 40 campaign events this caucus season where he asks candidates to sign a baseball.
The stage area for Democratic presidential candidate Pete Buttigieg before a campaign rally in Coralville, IA on Sunday, Dec. 8, 2019.
Campaign signs for Democratic presidential candidate Pete Buttigieg sit in the hallway before a campaign rally at Liberty High School in North Liberty, IA on Monday, Jan. 27, 2020.
A lectern sits on stage before a campaign rally for Democratic Presidential Candidate Senator Bernie Sanders (I-VT) on the Pentacrest at the University of Iowa in Iowa City on Sunday, Sep. 8, 2019.
Campaign tables line the hall at the 1st District Democrats Passport to Victory rally at the Linn County Fairgrounds on Saturday, Aug. 10, 2019.
Democratic presidential candidate Andrew Yang walks down a hallway in the Iowa Memorial Union on the University of Iowa campus before an appearance sponsored by the college Democrats on Monday, Sep. 24, 2018.
Senator Elizabeth Warren (D-MA) shakes hands with a supporter during a town hall rally at Taft Middle School in Cedar Rapids on Saturday, Nov. 16, 2019.
Democratic Presidential Candidate Senator Bernie Sanders (I-VT) speaks during a campaign rally on the Pentacrest at the University of Iowa in Iowa City on Sunday, Sep. 8, 2019.
Democratic Presidential Candidate Andrew Yang addresses the crowd during a campaign rally at the Englert Theatre in Iowa City, IA on Saturday, Jan. 18, 2020.
Republican Presidential hopeful Bill Weld addresses the crowd during a campaign event at Cornell College in Mt. Vernon, IA on Saturday, Feb. 1, 2020.
A supporter asks a question of Democratic Presidential hopeful Tom Steyer at Backpocket Brewing in Coralville, IA on Sunday, Feb. 2, 2020.
Democratic presidential candidate Pete Buttigieg addresses the crowd during a campaign rally in Coralville, IA on Sunday, Dec. 8, 2019.
An attendee takes a photo of former Vice President Joe Biden as he speaks at the 1st District Democrats Passport to Victory rally at the Linn County Fairgrounds on Saturday, Aug. 10, 2019.
Former congressman and Republican Presidential Candidate Joe Walsh talks to diners during a candidate meet and greet at the Bluebird Diner in Iowa City, IA on Wednesday, Jan 29, 2020. Most of the diners at the table are members of members of a group called Common Purpose, a Seattle-based “political justice” organization.
Steven Damm of Iowa City (center) applauds while listening to Democratic Presidential Candidate Amy Klobuchar (D-MN) speak during a visit to Iowa City for the opening of a new campaign office on Saturday, Dec. 28, 2019.
Democratic Presidential hopeful Pete Buttigieg addresses supporters during a campaign rally at Northwest Junior High in Coralville, IA on Sunday, Feb. 2, 2020.
An attendee's backpack during a campaign rally for Democratic Presidential Candidate Senator Bernie Sanders (I-VT) on the Pentacrest at the University of Iowa in Iowa City on Sunday, Sep. 8, 2019.
Campaign Volunteers listen to Democratic presidential candidate Pete Buttigieg during a campaign rally in Coralville on Sunday, Dec. 8, 2019.
Former Vice President Joe Biden speaks with Tucker Cassidy of Waterloo at the 1st District Democrats Passport to Victory rally at the Linn County Fairgrounds on Saturday, Aug. 10, 2019.
Winnie Ganshaw of Iowa City poses for a selfie with Senator Elizabeth Warren (D-MA) during a town hall rally at Taft Middle School in Cedar Rapids on Saturday, Nov. 16, 2019.
New York City Mayor Bill de Blasio speaks at the 1st District Democrats Passport to Victory rally at the Linn County Fairgrounds on Saturday, Aug. 10, 2019.
Mary Kathryn Wallace of Iowa City compares neckties with Democratic Presidential hopeful Tom Steyer after a Town Hall Meeting at Backpocket Brewing in Coralville, IA on Sunday, Feb. 2, 2020. Wallace is a caucus captain for Steyer and said that the pattern of her tie was the same as the Scottish Tartan for the Wallace clan.
Sandra Wollcott of Cedar Rapids checks in caucus-goers during the Republican Party Caucus at the Butcher Block Steakhouse in Cedar Rapids, IA on Monday, Feb 3, 2020.
Precinct Chair TR Sandersfeld counts votes for President Trump during the Republican Party Caucus at the Butcher Block Steakhouse in Cedar Rapids, IA on Monday, Feb 3, 2020.
A worker takes down a sign Democratic presidential candidate Pete Buttigieg after a campaign rally at Liberty High School in North Liberty, IA on Monday, Jan. 27, 2020.