AdvertisementBill Barr won't back a 2024 Trump run but doesn't quite condemn his former bossMarch 07, 2022Steve InskeepJan JohnsonEmma BowmanfacebookEmailWilliam Barr, who served as the U.S. attorney general in the administrations of Presidents George H. W. Bush and Donald Trump, spoke with NPR during an interview at his house outside of Washington, D.C., on Wednesday. (Shuran Huang for NPR)