Larry Rhoden decisively defeated his outsider challenger in South Dakota's first-ever gubernatorial primary runoff.

South Dakota Republicans will decide in a primary runoff Tuesday whether to nominate Gov. Larry Rhoden for a full term or to instead tap businessman Toby Doeden to represent the…

NBC News projects that Rhoden, who replaced Kristi Noem last year, defeated businessman Toby Doeden to win the Republican nomination for governor.