All signs point to Broun running: He was already publicly mulling a bid before Sen. Saxby ChamblissSaxby 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 GingreyPhil GingreyBeating the drum on healthcare Former GOP chairman joins K Street Former Rep. Gingrey lands on K Street MORE (R-Ga.) is still in the mix and Rep. Tom GravesTom GravesBillboard ads target Republicans who want to roll back net neutrality Week ahead: House eyes trillion-dollar omnibus | Crunch time for Senate ObamaCare repeal bill | Senate moves ahead on Trump nominees House GOP looks to advance trillion-dollar omnibus MORE (R-Ga.) hasn't ruled out a bid, though he's expected to take longer to decide whether to run than the others.