confirmation hearing. she would replace christy veins who was kill in an attack in benghazi last year. the house oversight committee will investigate those attacks. james knight, president obama s pick for the ambassador to chad, also testified at this one-hour senate foreign relations committee hearing. good morning. this hearing over the senate foreign relations committee welcome order. today we re pleased to welcome two nominees as ambassador to libya and chad two difficult and important assignments. the maghreb and sahel regions are of significance and i look forward to hearing your views on these critical and enter linked regions. we can never forget ambassador christy sense and the three other american public servants, tyrone wood, sean smith, and glen dougherty, would lost their lives, and we remember ann smedinghoff s who death in afghanistan reminded us the dangers that every diplomat serving abroad faces. the attacks on benghazi reach outside the wire and keep