Hillary Clinton shows her true nature at last Congressional hearing

U.S. Secretary of State Hillary Clinton testifies about the September attacks on the U.S. diplomatic mission in Benghazi, Libya, on Capitol Hill, U.S., Jan. 23, 2013. It was the last time Clinton attended the Congressional hearing as the U.S. top diplomat. After the heated inquires from the House of Representatives and the Senate, the "Iron lady" rarely let herself cry, smile and be angered, which has shown different sides of her nature.(Chinanews.cn/Wu Qingcai)