SIOUX FALLS, S.D.(WNAX)- Arkansas Senator Tom Cotton made stops in Sioux Falls Tuesday and in Iowa on behalf of fellow republican Senators.

Thune, whose term expires next year hasn’t officially announced he is running for reelection. Cotton says he is working on him.

Cotton says its important to have Iowa Senator Chuck Grassley return to Washington for his eighth term.

Cotton was also making other appearances in Iowa, which raises speculation about his Presidential ambitions in 2024.