Missouri Chamber PAC endorses Mike Henderson in the 2024 primary election The Missouri Chamber PAC announced today its support of Mike Henderson in the 2024 primary election. “There is a lot at stake in the August 6 primary election. As we seek to grow the economy and protect free enterprise in our state, we must elect pro-jobs lawmakers to the Missouri General Assembly,” said Roger Archibald, chairman of the Missouri Chamber PAC. “The dysfunction of the 2024 legislative session demonstrated the