Photo by: J. Scott Applewhite FILE- In this Feb. 14, 2019, file photo, Sen. Johnny Isakson, R-Ga., flanked by Rep. Buddy Carter R-Ga., left, and Sen. David Perdue, R-Ga., right, leads a meeting on Capitol Hill in Washington. Sen. Isakson announced on Wednesday, Aug. 28, 2019, that he will retire at the end of 2019, citing "health challenges." (AP Photo/J. Scott Applewhite, File)
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