As the investigation into the Obama administration’s handling of the attacks on U.S. facilities in Benghazi intensifies, lawmakers on Capitol Hill are seeking to conduct transcribed interviews with thirteen top State Department officials in the coming weeks in order to learn more. Those named in the letter include a wide range of current and former State Department personnel, from senior advisers to Secretary of State Hillary Clinton to mid-level career officials with responsibility for diplomatic security. Among those officials: Jacob Sullivan, then deputy chief of staff and director of policy planning (and currently national security adviser to Vice President Joe...