(Undated) — Several GOP Presidential candidates have campaign stops in Iowa in the near future. South Carolina Senator Tim Scott and businessman Vivek Ramaswamy are returning to central Iowa this week. Former President Donald Trump is scheduled to return to Iowa Saturday, October 7th. He’ll be in Waterloo and Cedar Rapids. Former U.S. Ambassador Nikki Haley will be Iowa Sunday and Monday. She’ll campaign in Sioux City, Ida Grove, and Boone.