NEWSPhotos: Donald Trump Jr. campaigns for his father in Des Moines Kelsey Kremerkkremer@dmreg.comDonald Trump Jr. speaks at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks to the crowd at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks to the crowd at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. poses for selfies and signs autographs at a campaign rally for his father, President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterEric Branstad, senior advisor to Donald Trump's presidential campaign, introduces Donald Trump Jr. at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. poses for selfies and signs autographs at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterEric Branstad, senior advisor to Donald Trump's presidential campaign, introduces Donald Trump Jr. at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterFlags and other campaign merchandise is set-up for sale outside of an event with Donald Trump Jr. on Tuesday, Oct. 13, 2020, outside of the Iowa State Capitol in downtown Des Moines.Kelsey Kremer/The RegisterMake America Great Again hats for sale outside of a campaign event with Donald Trump Jr. on Tuesday, Oct. 13, 2020, outside of the Iowa State Capitol in downtown Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterA man dressed like Abraham Lincoln waits for the start of a campaign event with Donald Trump Jr. on Tuesday, Oct. 13, 2020, outside of the Iowa State Capitol in downtown Des Moines.Kelsey Kremer/The RegisterPeople head to their seats for a campaign event with Donald Trump Jr. on Tuesday, Oct. 13, 2020, outside of the Iowa State Capitol in downtown Des Moines.Kelsey Kremer/The RegisterDonald Trump Jr. speaks at a campaign rally, for his father U.S. President Donald Trump, on Tuesday, Oct. 13, 2020, on the steps of the Iowa State Capitol in Des Moines.Kelsey Kremer/The RegisterFlags and other campaign merchandise is set-up for sale outside of an event with Donald Trump Jr. on Tuesday, Oct. 13, 2020, outside of the Iowa State Capitol in downtown Des Moines.Kelsey Kremer/The RegisterPeople head to their seats for a campaign event with Donald Trump Jr. on Tuesday, Oct. 13, 2020, outside of the Iowa State Capitol in downtown Des Moines.Kelsey Kremer/The Register