Dans, who is set to formally announce his campaign at an event Wednesday in Charleston, said Graham has spent most of his career in Washington and "it's time to show him the door."

Paul Dans helped write conservative think tank the Heritage Foundation’s Project 2025, a detailed blueprint to downsize the federal government and implement other right-wing priorities.

Paul Dans, the main force behind the polarizing conservative blueprint Project 2025, is planning to challenge South Carolina Sen. Lindsey Graham in next year’s Republican primary.