Secretary of State John Kerry speaks with the media after attending the Mideast peace conference in Paris on Jan. 15, 2017. Alex Brandon/AP hide caption
Secretary of State John Kerry
U.S. Secretary of State John Kerry laid out his vision for peace between Israel and the Palestinians Wednesday. In the more than hourlong address, Kerry criticized Jewish settlements in the West Bank as an impediment to peace. Paul J. Richards/AFP/Getty Images hide caption
This 2013 photo shows a survival shelter situated between McMurdo Station, a U.S. scientific research facility, and Castle Island on Ross Island, Antarctica. Secretary of State John Kerry is starting a visit to McMurdo Station and the South Pole on Tuesday. Rod McGuirk/AP hide caption
U.S. Secretary of State John Kerry, at Lancaster House in London on Sunday. Justin Tallis/AP hide caption
U.S. Secretary of State John Kerry speaking in Brussels earlier this week. Geert Vanden Wijngaert/AP hide caption
Syrian civilians are seen in the aftermath of renewed attacks on an opposition-controlled area in Aleppo on Tuesday. Anadolu Agency/Getty Images hide caption
Nadim Fawzi Jouriyeh, a Syrian refugee who arrived in the United States in August with his family, pushes a shopping cart in El Cajon, Calif. Lenny Ignelzi/AP hide caption
Secretary of State John Kerry tells NPR that the new U.S.-Russia ceasefire deal in Syria is the best option under the circumstances. Without it, he says, there would be more deaths. Ariel Zambelich/NPR hide caption
Secretary Of State John Kerry On Syria Cease-Fire: 'What's The Alternative?'
China's President Xi Jinping, left, speaks from the stage with U.S. Secretary of State John Kerry, right, and U.S. Treasury Secretary Jacob Lew, center, during the opening ceremony of the 8th U.S.-China Strategic and Economic Dialogues. Andy Wong/AP hide caption
NPR's Steve Inskeep interviews President Obama at the White House about the Iran nuclear deal. Kainaz Amaria/NPR hide caption
U.S. Secretary of State John Kerry stands alongside Belgian Prime Minister Charles Michel during a meeting in Brussels on Friday. Laurie Dieffembacq/AFP/Getty Images hide caption
Russian Foreign Minister Sergey Lavrov (left) and Secretary of State John Kerry (second from left) attend the International Syria Support Group meeting in Munich, Germany, on Thursday along with members of the Syrian opposition and other officials. Michael Dalder/AP hide caption
Secretary of State John Kerry shakes hands with Russian Foreign Minister Sergey Lavrov in Moscow on Tuesday. Ivan Sekretarev/AP hide caption
U.S. Secretary of State John Kerry speaking at a news conference in Spain. Kerry will attempt to strike the right balance in separate meetings later this week with Israeli and Palestinian leaders. Francisco Seco/AP hide caption
Secretary of State John Kerry spoke at Indiana University on Thursday. "If Russia is [in Syria] to uphold Assad, and fake it with respect to the extremists and terrorists, that's a serious problem," he told NPR's Steve Inskeep. Aaron P. Bernstein for NPR hide caption
Secretary of State John Kerry leaves his hotel on the way to Mass at St. Stephen's Cathedral in Vienna, Austria, on Sunday. Carlos Barria/AP hide caption
Secretary of State John Kerry walks on the terrace of Palais Coburg, the venue for nuclear talks in Vienna, on Sunday. Leohard Foeger/Reuters/Landov hide caption
Secretary of State John Kerry (right) walks using crutches Thursday at the garden of the hotel where the Iran nuclear talks are being held in Vienna. Carlos Barria/Reuters/Landov hide caption
Secretary of State John Kerry delivers a statement in front of Palais Coburg where the Iranian nuclear talks are taking place in Vienna, Austria. Qian Yi/Xinhua/Landov hide caption
President Obama, accompanied by Vice President Joe Biden, spoke about U.S. ties with Cuba during remarks Wednesday in the Rose Garden of the White House. Pablo Martinez Monsivais/AP hide caption
South Korean Foreign Minister Yun Byung-se and U.S. Secretary of State John Kerry hold a joint news conference following meetings at the Ministry of Foreign Affairs in Seoul. Saul Loeb/AFP/Getty Images hide caption
In Seoul, Kerry Calls N. Korea Provocations 'Egregious,' 'Reckless'
Secretary of State John Kerry arrives at the airport in Mogadishu, Somalia, on Tuesday. Kerry made the unannounced trip to Somalia in a show of solidarity with the government trying to defeat al-Qaida-allied militants. Andrew Harnik/AP hide caption
Iranian Foreign Minister Javad Zarif (right) delivers a statement, flanked by European Union High Representative for Foreign Affairs and Security Policy Federica Mogherini. Brendan Smialowski/AFP/Getty Images hide caption
U.S. Secretary of State John Kerry (left) and Iranian Foreign Minister Mohammad Javad Zarif (right) at a meeting Wednesday in Lausanne, Switzerland. Brian Snyder/AP hide caption