![Then-President Donald Trump elbow bumps Herschel Walker during a 2020 campaign rally in Atlanta. Walker filed paperwork Tuesday to run for U.S. Senate in the key swing state of Georgia.](https://www.gpb.org/sites/default/files/styles/flexheight/public/2021-08/herschel_walker_ap_21203823668284.jpg?itok=ZcVyg2Dx)
Caption
In this Sept. 25, 2020, file photo, President Donald Trump elbow bumps with Herschel Walker during a campaign rally in Atlanta. Walker appears to have a coveted political profile for a potential Senate candidate in Georgia.
Credit: John Bazemore, AP