Clinton Talks Lessons Learned From Benghazi Attack

While seeking to improve security in the future, and while defending her actions following the September attack, Clinton took responsibility for the attack.

Hilary Clinton testifies before the House Foreign Affairs Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. Chip Somodevilla/Getty Images