Former President Donald Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Former President Donald Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

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A supporter makes a salute during the National Anthem at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

A supporter makes a salute during the National Anthem at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Supporters at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Supporters at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Supporters sign voting registry forms at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Supporters sign voting registry forms at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Members of Service Employees International Union Local 73 chapter protests outside the Fox News Republican Debate in Milwaukee, W.I. on Aug 23, 2023. (Mustafa Hussain for The Free Press)

Members of Service Employees International Union Local 73 chapter protests outside the Fox News Republican Debate in Milwaukee, W.I. on Aug 23, 2023. (Mustafa Hussain for The Free Press)

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Becky Hauser of Dubuque, Iowa at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Becky Hauser of Dubuque, Iowa at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

A secret service agent stands guard at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

A secret service agent stands guard at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Children hold signs at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Children hold signs at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Former President Donald Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Former President Donald Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

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Former President Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

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Fox News Republican Debate in Milwaukee, W.I. on Aug 23, 2023. (Mustafa Hussain for The Free Press)

Fox News Republican Debate in Milwaukee, W.I. on Aug 23, 2023. (Mustafa Hussain for The Free Press)

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Former President Donald Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)
20230823_FNC DEBATE-392.jpg
20230823_FNC DEBATE-254.jpg
A supporter makes a salute during the National Anthem at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)
Supporters at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)
Supporters sign voting registry forms at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)
Members of Service Employees International Union Local 73 chapter protests outside the Fox News Republican Debate in Milwaukee, W.I. on Aug 23, 2023. (Mustafa Hussain for The Free Press)
20230823_FNC DEBATE-125.jpg
Becky Hauser of Dubuque, Iowa at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)
A secret service agent stands guard at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)
Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)
Children hold signs at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)
Former President Donald Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)
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20230823_FNC DEBATE-266.jpg
Fox News Republican Debate in Milwaukee, W.I. on Aug 23, 2023. (Mustafa Hussain for The Free Press)
20230823_FNC DEBATE-234.jpg
20230823_FNC DEBATE-241.jpg

Former President Donald Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

A supporter makes a salute during the National Anthem at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Supporters at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Supporters sign voting registry forms at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Members of Service Employees International Union Local 73 chapter protests outside the Fox News Republican Debate in Milwaukee, W.I. on Aug 23, 2023. (Mustafa Hussain for The Free Press)

Becky Hauser of Dubuque, Iowa at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

A secret service agent stands guard at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Children hold signs at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Former President Donald Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

20230920_TRUMP, IA-404.JPG

Former President Trump speaks at the Team Trump Iowa Commit to Caucus Event at the Jackson County Fairgrounds in Maquoketa, IA on Sept. 20, 2023. (Mustafa Hussain for the New York Times)

Fox News Republican Debate in Milwaukee, W.I. on Aug 23, 2023. (Mustafa Hussain for The Free Press)

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