Johnson will not seek re-election in 2014. (Bill Clark/CQ Roll Call File Photo)
Former Gov. Mike Rounds won the Republican nomination for Senate in South Dakota Tuesday.
Rounds, a popular former governor, is expected to all-but coast to the Senate seat in November. The seat is open because Sen. Tim Johnson, D-S.D., is retiring at the end of this year.
In the primary, Rounds bested state Sens. Stace Nelson and Larry Rhoden, Army Reserves Maj. Jason Ravnsborg, and Dr. Annette Bosworth. When The Associated Press called the race around 9:35 EST, Rounds led with 58 percent of the vote. Full story