Terrence Bradley walks to the witness stand at the Fulton County Courthouse on February 27. Brynn Anderson/Pool/Getty ImagesThis hearing is about evidence Terrence Bradley might have had, and for the defense teams that called him to the stand, he didn’t deliver.”He’d made some comments to you along the way that led you to believe he had more knowledge than today he’s testifying that he had,” Judge Scott McAfee said bluntly to defense attorney Ashleigh Merchant on Tuesday afternoon.Merchant and other defense lawyers in the Georgia election subversion case have been trying to stand up, with…