WASHINGTON, D.C.(WNAX)- South Dakota Senator John Thune’s third term expires next year and so far, he hasn’t announced if he will run for a fourth. He says that decision is coming.

Thune says he is considering a number of factors.

Thune says he isn’t worried about how the politics line up for next year.

There are at least two other candidates talking about challenging Thune in a republican primary next June.