FILE - In this Feb. 6, 2013, file photo, U.S. Secretary of State John Kerry, left, with his wife Teresa Heinz Kerry, center, is congratulated by Vice President Joe Biden, right, during the ceremonial swearing-in as the 68th secretary of state at the State Department in Washington,. Witnessing the ceremony are Kerry’s daughters Vanessa Kerry, obscured, and Alexandra Kerry, back center, and stepson Christopher Heinz, back right. Kerry has spent nearly half of his first year as secretary of state jumping on and off airplanes and diving headlong into some of the world’s most difficult problems. (AP Photo/Manuel Balce Ceneta)