U.S. Rep. Mike Bost discusses his re-election campaign via video conference in this Monday, March 4, 2024 photo. The five-term incumbent is facing a March 19th primary challenge from Darren Bailey, a former state senator and 2022 nominee for Illinois governor. Bost has the endorsement of former President Donald Trump for the race in the 12th District, which encompasses the bottom one-third of Illinois. (AP Photo/John O'Connor)
Congressional candidate Darren Bailey, right, leads the Pledge of Allegiance at a campaign stop with the help of Casey resident Brandon Baston and his American flag T-shirt, Tuesday, Feb. 27, 2024 in Casey, ill. Bailey, a former state senator and 2022 Republican nominee for governor, is running in the March 19th primary to unseat fellow GOP Congressman Mike Bost, a five-term incumbent who has the endorsement of former President Donald Trump, in Illinois' 12th District, which encompasses the bottom one-third of Illinois. (AP Photo/John O'Connor)
Congressional candidate Darren Bailey, right, speaks to a crowd at a restaurant during a campaign stop with state Rep. Adam Niemerg, Tuesday, Feb. 27, 2024, in Casey, Ill. Bailey, a former state senator and 2022 Republican nominee for governor, is running in the March 19th primary to unseat fellow GOP Congressman Mike Bost, a five-term incumbent who has the endorsement of former President Donald Trump, in Illinois' 12th District, which encompasses the bottom one-third of Illinois. (AP Photo/John O'Connor)
Congressional candidate Darren Bailey, left, campaigns with state Rep. Adam Niemerg at a local restaurant meet-and-greet, Tuesday, Feb. 27, 2024, in Casey, Ill. Bailey, a former state senator and 2022 Republican nominee for governor, is running in the March 19th primary to unseat fellow GOP Congressman Mike Bost, a five-term incumbent who has the endorsement of former President Donald Trump, in Illinois' 12th District, which encompasses the bottom one-third of Illinois. (AP Photo/John O'Connor)