John F. Kerry

APTOPIX Switzerland Iran Nuclear Talks.JPEG-07833.jpg

U.S. Secretary of State John F. Kerry gestures as he speaks to the media about the deal that six world powers and Iran have reached calling for Tehran to limit its nuclear activities in return for sanctions relief, at the International Conference Center of Geneva on Sunday, Nov. 24, 2013, in Geneva, Switzerland. (AP Photo/Carolyn Kaster, Pool)

Switzerland Iran Nuclear Talks.JPEG-0ab8b.jpg

U.S. Secretary of State John F. Kerry arrives at Geneva Airport in Geneva, Switzerland, on Saturday, Nov. 23, 2013, for the Iran nuclear talks. (AP Photo/Denis Balibouse, Pool)

Switzerland Iran Nuclear Talks.JPEG-006ec.jpg

Secretary of State John F. Kerry pauses during a press conference at the end of the Iranian nuclear talks in Geneva on Sunday, Nov. 10, 2013. The talks failed to reach an agreement, but Mr. Kerry said Tehran and six world powers had made "significant progress." (AP Photo/Jason Reed, Pool)

Switzerland Iran Nuclear Talks.JPEG-09208.jpg

Secretary of State John F. Kerry gestures while speaking at a press conference at the end of the Iranian nuclear talks in Geneva on Sunday, Nov. 10, 2013. The talks failed to reach agreement, but Mr. Kerry said Tehran and six world powers had made "significant progress." (AP Photo/Jason Reed, Pool)

Mideast Egypt US Kerry.JPEG-0d138.jpg

U.S. Secretary of State John F. Kerry (right) shakes hands with Egyptian Foreign Minister Nabil Fahmy at their press conference in Cairo on Sunday, Nov. 3, 2013. Mr. Kerry is in Egypt to press for reforms during the highest-level American visit to that country since the ouster of the nation's first democratically elected president, Mohammed Morsi, in July. (AP Photo/Jason Reed, Pool)

Mideast Egypt US Kerry.JPEG-02ee7.jpg

Secretary of State John F. Kerry arrives in Cairo on Sunday, Nov. 3, 2013, where he will press Egypt for reforms during the highest-level American visit to the country since the ouster of that nation's first democratically elected president, Mohammed Morsi, in July. (AP Photo/Jason Reed, Pool)

Italy US Israel.JPEG-077fd.jpg

U.S. Secretary of State John F. Kerry (left) and Israeli Prime Minister Benjamin Netanyahu arrive to give statements to the media at Villa Taverna, the U.S. ambassador's residence in Rome, on Wednesday, Oct. 23, 2013. The two met in Rome during Mr. Kerry's last stop of his European tour. (AP Photo/Claudio Peri, Pool)

10212013_france-kerry-mideast-48201.jpg

A trip Secretary of State John F. Kerry is making to France has been complicated by a French newspaper's report about data mining by the National Security Agency that resulted in tens of millions of digital communications being collected. (ASSOCIATED PRESS)

Indonesia Kerry Military Strikes.JPEG-090c8.jpg

U.S. Secretary of State John F. Kerry (center) listens to Aditya Utama Surono (left), director of Fishing and Living, a USAID-supported fishery NGO, as Indonesian Maritime and Fisheries Minister Syarif Tjitjip Soetardjo looks on during a visit to a tuna packaging factory in Bali, Indonesia, on Sunday, Oct. 6, 2013. (AP Photo/Pardomuan Siagian)

9_262013_un-general-assembly-us-ir-38201.jpg

Secretary of State John F. Kerry had a rare one-on-one meeting with Iranian Foreign Minister Javad Zarif at a meeting of the five permanent members of the Security Council plus Germany during the 68th session of the U.N. General Assembly. (Associated Press)

9_252013_un-general-assembly-us-ru-38201.jpg

Talks on Tuesday during the U.N. General Assembly between Secretary of State John F. Kerry and Russian Foreign Minister Sergei Lavrov about Syria's chemical weapons were described as "constructive," diplomatic-speak for cautious optimism. (Associated Press)