Former French first lady Valerie Trierweiler attends a gathering “Bring Back Our Girls” near the Eiffel Tower in Paris April 14, 2015 to mark one year since more than 200 schoolgirls were kidnapped in Chibok, north-eastern Nigeria, by Nigerian Islamist rebel group Boko Haram. (Photo by Gonzalo Fuentes/Reuters)

French National Front party deputy Marion Marechal-Le Pen attends the questions to the government session at the National Assembly in Paris April 14, 2015. (Photo by Charles Platiau/Reuters)

French Education and Research minister Najat Vallaud-Belkacem attends the questions to the government session at the National Assembly in Paris April 14, 2015. (Photo by Charles Platiau/Reuters)

Nicola Sturgeon, the leader of the Scottish National Party, departs by helicopter from Prestonfield House in Edinburgh, Scotland, April 30, 2015. (Photo by Russell Cheyne/Reuters)

Baltimore mayor Stephanie Rawlings-Blake speaks at a church in Baltimore, Maryland April 30, 2015. (Photo by Eric Thayer/Reuters)

Presidential candidate Magdalena Ogorek casts her vote in the first round of the Presidential election at a polling station in Warsaw, Poland May 10, 2015. (Photo by Jacek Marczewski/Reuters)

Presidential candidate Magdalena Ogorek is surrounded by media as she casts her vote in the first round of the Presidential election at a polling station in Warsaw, Poland May 10, 2015. (Photo by Jacek Marczewski/Reuters)

Ayelet Shaked (R), Israel's new Justice Minister of the far-right Jewish Home party, toasts with Attorney-General Yehuda Weinstein during a ceremony at the Justice Ministry in Jerusalem May 17, 2015. (Photo by Gali Tibbon/Reuters)

Ayelet Shaked, Israel's new Justice Minister of the far-right Jewish Home party, speaks during a ceremony at the Justice Ministry in Jerusalem May 17, 2015. (Photo by Gali Tibbon/Reuters)

Ousted former Thai Prime Minister Yingluck Shinawatra receives red roses from supporters as she leaves the Supreme court in Bangkok, Thailand, May 19, 2015. (Photo by Chaiwat Subprasom/Reuters)

Ousted former Thai Prime Minister Yingluck Shinawatra gestures as she arrives at the Supreme court in Bangkok, Thailand, May 19, 2015. (Photo by Chaiwat Subprasom/Reuters)

Ousted former Thai Prime Minister Yingluck Shinawatra sits in a van as she leaves the Supreme court in Bangkok, Thailand, May 19, 2015. (Photo by Chaiwat Subprasom/Reuters)

European Union High Representative Federica Mogherini arrives at the Palais Coburg, where closed-door nuclear talks with Iran are taking place, in Vienna, Austria, Sunday, July 5, 2015. (Photo by Ronald Zak/AP Photo)

French City Policy junior minister Myriam El Khomri attends a ceremony at the Arc de Triomphe in Paris, France, May 19, 2015. (Photo by Charles Platiau/Reuters)

French City Policy junior minister Myriam El Khomri attends a ceremony at the Arc de Triomphe in Paris, France, May 19, 2015. (Photo by Charles Platiau/Reuters)

Denmark's Prime Minister Helle Thorning Schmidt arrives at the European Union (EU) Council headquarters at the start of an EU leaders summit in Brussels, Belgium, June 25, 2015. (Photo by Darren Staples/Reuters)

Marion Marechal Le Pen, deputy of Vaucluse, delivers a speech as she kicks off her National Front (FN) electoral campaign for the presidency of Provence-Alpes-Cote d'Azur Regional Council (PACA) in Le Pontet next to Avignon, France July 5, 2015. (Photo by Philippe Laurenson/Reuters)

Marion Marechal Le Pen, deputy of Vaucluse, delivers a speech as she kicks off her National Front (FN) electoral campaign for the presidency of Provence-Alpes-Cote d'Azur Regional Council (PACA) in Le Pontet next to Avignon, France July 5, 2015. (Photo by Philippe Laurenson/Reuters)

Venezuela's opposition leader Maria Corina Machado (C) waves a national flag during a meeting with supporters, after trying to register her candidacy for the upcoming parliamentary elections at an office of National Electoral Council (CNE), in Los Teques, Venezuela August 3, 2015. (Photo by Carlos Garcia Rawlins/Reuters)

Venezuela's opposition leader Maria Corina Machado (C) greets supporters, after trying to register her candidacy for the upcoming parliamentary elections at an office of National Electoral Council (CNE), in Los Teques, Venezuela August 3, 2015. (Photo by Carlos Garcia Rawlins/Reuters)

Patricia Ceballos (C), mayor of San Cristobal and wife of jailed former mayor Daniel Ceballos, embraces a supporter in front of her house in Caracas August 11, 2015. Daniel Ceballos, a jailed former mayor of Venezuela's western city of San Cristobal, has been granted house arrest due to health issues, the public prosecutor's office said on Tuesday. The 31-year-old, arrested in March 2014 on accusations he fomented unrest during last year's massive anti-government protests, held a 20-day hunger strike this year that left him weak and with kidney pain, according to supporters. (Photo by Carlos Garcia Rawlins/Reuters)

Patricia Ceballos, mayor of San Cristobal and wife of jailed former mayor Daniel Ceballos, speaks to the media in front of her house in Caracas August 11, 2015. (Photo by Carlos Garcia Rawlins/Reuters)

Patricia Ceballos, mayor of San Cristobal and wife of jailed former mayor Daniel Ceballos, speaks to the media in front of her house in Caracas August 11, 2015. (Photo by Carlos Garcia Rawlins/Reuters)

Patricia Ceballos, mayor of San Cristobal and wife of jailed former mayor Daniel Ceballos, speaks to the media in front of their house in Caracas August 12, 2015. (Photo by Christian Veron/Reuters)

Greek Parliament Speaker Zoe Konstantopoulou attends a parliamentary session in Athens, Greece, early August 14, 2015. (Photo by Christian Hartmann/Reuters)

Greek Parliament Speaker Zoe Constantopoulou attends a parliamentary session in Athens, Greece, early August 14, 2015. (Photo by Christian Hartmann/Reuters)

Tomomi Inada, head of the Policy Research Council of Prime Minister Shinzo Abe's Liberal Democratic Party, smiles as she arrives at Yasukuni Shrine to offer prayers in Tokyo August 15, 2015, to mark the 70th anniversary of Japan's surrender in World War Two. (Photo by Issei Kato/Reuters)