Secretary of State Hillary Clinton testified before House and Senate panels about the September attack on the U.S. diplomatic mission in Benghazi, Libya. Nearing the end of her tenure as secretary, Clinton was thanked by Democrats and Republicans for her service to the country. But Republicans gave her a tougher grilling about her actions before and after the Benghazi attack. Clinton accepted responsibility. But she also defended the way she and her colleagues handled the Benghazi tragedy and pointed out Congress's role in failing to keep U.S. diplomatic personnel safe. Assessing the Benghazi hearings and emerging terrorist threats in Africa.