Behind-the-scenes, "the shadow campaign" is underway for U.S. Sen. Johnny Isakson's soon-to-be-vacated seat.

In this episode of the Politically Georgia podcast, host Greg Bluestein and AJC Washington correspondent Tamar Hallerman discuss the potential Republican appointees Gov. Brian Kemp could assign to Isakson’s seat following his retirement, as well as potential Democratic challengers that could run come 2020. Bluestein and Hallerman also discuss Isakson’s return to the U.S. Capitol and more.

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Speaker of the House Mike Johnson — pictured during a news conference in October — said Wednesday he didn't think the Election Day wins for Democrats were "any reflection about Republicans at all." (J. Scott Applewhite/AP)

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Public Service Commission candidate Peter Hubbard gets a hug from Brionté McCorkle, executive director of Georgia Conservation Voters, during an election-night party in Southwest Atlanta on Tuesday, Nov. 4, 2025.  (Ben Gray for the AJC)

Credit: Ben Gray for the AJC