All signs point to Broun running: He was already publicly mulling a bid before Sen. Saxby ChamblissClarence (Saxby) Saxby ChamblissLobbying World Former GOP senator: Let Dems engage on healthcare bill OPINION: Left-wing politics will be the demise of the Democratic Party MORE (R-Ga.) announced his retirement, and last week his wife said that he would run for the seat.

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Broun is almost guaranteed to face a competitive primary: Reps. Tom Price (R-Ga.) and Jack Kingston (R-Ga.) are both preparing for potential runs, Rep. Phil GingreyJohn (Phil) Phillip Gingrey2017's top health care stories, from ObamaCare to opioids Beating the drum on healthcare Former GOP chairman joins K Street MORE (R-Ga.) is still in the mix and Rep. Tom GravesJohn (Tom) Thomas GravesSEC paperless mandate a bad deal for rural, elderly investors Lobbying World House retirement sets off scramble for coveted chairmanship MORE (R-Ga.) hasn't ruled out a bid, though he's expected to take longer to decide whether to run than the others.