Attorney General Sessions resigned at the president's request – coming after Trump lambasted Sessions in public for months over his recusal from the Russia investigation.
Prior to serving under Bush as attorney general, Barr was deputy attorney general and led the Office of Legal Counsel.
Democrats have cried foul ever since the appointment of Whitaker, who now oversees Special Counsel Robert Mueller’s Russia investigation, as acting attorney general.
Between March and October, she served as acting undersecretary for Public Diplomacy and Public Affairs, which involved overseeing public diplomacy in Washington and all of the approximately 275 U.S. embassies, consulates and other posts.
Before she worked at the State Department, Nauert worked as an anchor and correspondent at Fox News -- including as a breaking news anchor on “Fox & Friends.” Before Fox, she was a reporter at ABC News.