US Secretary of State John Kerry delivers remarks after being sworn in by US Vice President Joe Biden during a ceremonial event in Washington D.C., the United States, February 6, 2013. (Xinhua/Fang Zhe)
US Secretary of State John Kerry (1st L) is sworn in by U.S. Vice President Joe Biden (3rd R) during a ceremonial event in Washington D.C., the United States, February 6, 2013. (Xinhua/Fang Zhe)
US Secretary of State John Kerry delivers remarks after being sworn in by US Vice President Joe Biden during a ceremonial event in Washington D.C., the United States, February 6, 2013. (Xinhua/Fang Zhe)
US Secretary of State John Kerry delivers remarks after being sworn in by US Vice President Joe Biden during a ceremonial event in Washington D.C., the United States, February 6, 2013. (Xinhua/Fang Zhe)