president

epa05632058 US President Barack Obama (C) waves as he arrives at the Athens International Airport in Athens, Greece, 15 November 2016. The US President is on a two-day visit to Athens.  EPA/WASSILIS ASWESTOPOULOS/POOL

Wassilis Aswestopoulo/EPA

US President Barack Obama waves as he arrives at the Athens International Airport in Athens, Greece. The US President is on a two-day visit to Athens. Photo Wassilis Aswestopoulo/EPA 

Nigerian President Muhammadu Buhari list...Nigerian President Muhammadu Buhari listens at the start of a conference to tackle corruption at the Commonwealth Secretariat in London on May 11, 2016. / AFP PHOTO / LEON NEALLEON NEAL/AFP/Getty Images

Leon Neal/AFP

Nigerian President Muhammadu Buhari listens at the start of a conference to tackle corruption at the Commonwealth Secretariat in London

Mike Nelson / EPA

Supporters of US Republican presidential candidate businessman Donald Trump at a rally in Las Vegas, Nevada

Some of the thousands of people marching against South African President Jacob Zuma after President Zuma fired two finance ministers in the space of last week, in Johannesburg, South Africa, on Wednesday. Thousands of South Africans took to the streets 16 December to demand the resignation of President Jacob Zuma, whose reputation has been tarnished by a string of scandals. A social media inspired movement called #Zumamustfall sparked several marches across the country on 16 December, a national holiday. The next #zumamustfall march is planned for 01 February 2016. Rallies were also staged in Pretoria, Cape Town and Port Elizabeth

Kim Ludbrook/EPA

Some of the thousands of people marching against South African President Jacob Zuma after President Zuma fired two finance ministers in the space of a week, in Johannesburg, South Africa, on Wednesday. Thousands of South Africans took to the streets to demand the resignation of President Jacob Zuma

Argentina's President Mauricio Macri, his wife first lady Juliana Awada and their daughter Antonia wave from a balcony of the Casa Rosada government palace after the inauguration ceremony in Buenos Aires on December 10, 2015. Macri's inauguration marks the start of a new era for Argentina: a tilt to the right after 12 years under Kirchner and her late husband Nestor, the left-wing power couple that led the country back to stability after an economic meltdown in 2001.

AFP

Argentina’s President Mauricio Macri, his wife first lady Juliana Awada and their daughter Antonia wave from a balcony of the Casa Rosada government palace after the inauguration ceremony in Buenos Aires on Thursday

Russian President Vladimir Putin takes part in a gala opening match of the Night Hockey League new season in Sochi, Russia, 07 October 2015.

Alexey Nikolsky/EPA

Russian President Vladimir Putin takes part in a gala opening match of the Night Hockey League new season in Sochi, Russia on Wednesday

A man reacts to the resignation of President Otto Perez in Guatemala City, Guatemala September 3, 2015. Perez has resigned, his spokesman said on Thursday, hours before he is due to appear in court over a corruption scandal that has gutted his government and plunged the country into chaos days before a national election

Jose Cabezas/Reuters

A man reacts to the resignation of President Otto Perez in Guatemala City, Guatemala. Perez resigned on Thursday, hours before he was due to appear in court over a corruption scandal

Police officers patrol along a street in Kenya's capital Nairobi on July 24, 2015, ahead of the visit of US President Barack Obama. Obama arrives in his ancestral homeland Kenya later today, with a massive security operation under way to protect him from Al-Qaeda-linked Somali militants

Simon Maina/AFP

Police officers patrol along a street in Kenya’s capital Nairobi on Friday, ahead of the visit of US President Barack Obama

Election observers sit in an empty polling station for the presidential elections in Bujumbura, Burundi, Tuesday, July 21, 2015. A low turnout was experienced in several polling stations in the Burundi s capital at the start of voting in the country s presidential election following a night of explosions and gunfire in at least two opposition strongholds that oppose President Pierre Nkurunziza s candidacy for a third term in office

Jerome Delay/AP

Election observers sit in an empty polling station for the presidential elections in Bujumbura, Burundi, on Tuesday

A protester is seen wrapped in a Honduran flag during clashes with the police in the surroundings of the Presidential Palace in Tegucigalpa, on July 16, 2015. At least 22 people on hunger strike, including Human Rights activist Wilfredo Mendez, demand the installation of the International Commission against Impunity in Honduras (CICIH).

Orlando Sierra/AFP

A protester is seen wrapped in a Honduran flag during clashes with the police in the surroundings of the Presidential Palace in Tegucigalpa, on Thursday. At least 22 people on hunger strike, including Human Rights activist Wilfredo Mendez, demand the installation of the International Commission against Impunity in Honduras (CICIH)

Bolivian President Evo Morales takes part in a football match with the Bolivian Roots FC football club, a team made of Bolivian expatriates, on the eve of a two-day EU-CELAC (Latin America/Caribbean) summit in Brussels, on June 9, 2015

Emmanuel Dunand/AFP

Bolivian President Evo Morales takes part in a football match with the Bolivian Roots FC football club, a team made of Bolivian expatriates, on the eve of a two-day EU-CELAC (Latin America/Caribbean) summit in Brussels, on Tuesday

A man gestures as he celebrates in Bujumbura, Burundi.  Crowds poured onto the streets of Burundi's capital on Wednesday to celebrate after a general said he was dismissing President Pierre Nkurunziza for violating the constitution by seeking a third term in office

Goran Tomasevic/Reuters

A man gestures as he celebrates in Bujumbura, Burundi. Crowds poured onto the streets of Burundi’s capital on Wednesday to celebrate after a general said he was dismissing President Pierre Nkurunziza for violating the constitution by seeking a third term in office

Cuirassier presidential guards line up at the Vittoriano Unknown Soldier monument prior to the arrival of newly elected Italian President Sergio Mattarella in Rome, Tuesday, Feb. 3, 2015. Italy's new president, Sergio Mattarella, has taken the oath of office with a vow to fight corruption and organized crime and encourage the nation to embrace economic and electoral reform. The new head of state, whose brother, Piersanti Mattarella, was slain while governor of Sicily by the Mafia in 1980, denounced as "alarming" the spread of the Mafia from its traditional base in the south to northern cities. Mattarella, in his speech to Parliament Tuesday, also decried pervasive corruption, which he said robs citizens of resources meant for them and upsets market rules, "penalizing the honest and the capable."

Andrew Medichini/AP

Cuirassier presidential guards line up at the Vittoriano (Unknown Soldier) monument prior to the arrival of Italy’s new President Sergio Mattarella in Rome on Tuesday. President Mattarella has vowed to fight corruption, organised crime and embrace economic and electoral reform

An electoral agent checks on voters roll as Zambians queue to cast their ballots for the Zambian Presidential elections at Kanyama primary in Lusaka on January 20, 2015. Polling opened in Zambia's tightly contested vote to elect a president after a ruling party power struggle following the death of Michael Sata in office last year.

Gianluigi Guercia/AFP

An electoral agent checks the voter roll at Kanyama constituency in Lusaka, Zambia, as Zambians cast their ballots for the presidential elections

Military honour guard stand outside the main building of the new Presidential Palace complex after a welcome ceremony for Russian President Vladimir Putin in Ankara, Turkey, Monday, Dec. 1, 2014. Putin arrived in Turkey for a one-day visit and met with Erdogan at his huge new palace on once-protected farm land and forest in Ankara, becoming the second foreign dignitary after the Pope Francis to be hosted at the lavish, 1000-room complex.

Burhan Ozbilici/AP

Military honour guard stand outside the main building of the new Presidential Palace complex after a welcome ceremony for Russian President Vladimir Putin in Ankara, Turkey. Putin arrived in Turkey for a one-day visit and met with Erdogan at his huge new palace on once-protected farm land and forest in Ankara on Monday

Supporters of Tunisian Presidential candidate Beji Caid Essebsi, shout slogans and wave flags on Bourguiba avenue during an election campaign in the capital, Tunis, on November 21, 2014, ahead of the upcoming presidential elections on November 23. Secularist Essebsi is seen as the frontrunner for the elections after his party won milestone parliamentary polls.

Fadel Senna/AFP

Supporters of Tunisian presidential candidate Beji Caid Essebsi shout slogans and wave flags on Bourguiba Avenue during an election campaign in the capital, Tunis, on Friday. Tunisia votes for a new president on Sunday

 A Yemeni woman wears buttons depicting Yemen's ex-president Ali Abdullah Saleh during a gathering to protest against foreign interferences, in Sana'a, Yemen, 07 November 2014. Reports state thousands of supporters of former Yemeni president Ali Abdullah Saleh gathered in center Sana'a to protest against a US-backed move of the UN Security Council to impose a travel ban and assets freeze on Saleh due to his involvement in obstructing the country s transitional process. Recently, he has been accused of colluding with Shiite Houthi fighters in their military takeover of much of Yemen.

Yahya Arhab/EPA

A Yemeni woman wears buttons depicting Yemen’s ex-president Ali Abdullah Saleh during a gathering to protest against foreign interferences, in Sanaa, Yemen

Indonesian celebrate the inauguration of Indonesian President Joko Widodo in Solo, Central Java, Indonesia, 20 October 2014. Indonesia's newly inaugurated President Joko Widodo urged Indonesians to unite and work together. Widodo said his government aimed to make Indonesia 'politically and economically independent' but acknowledged tough tasks ahead.

Mohammad Ali/EPA

Indonesians celebrate the inauguration of President Joko Widodo in Solo, Central Java, Indonesia on Monday.

U.S. President Barack Obama and former President Bill Clinton walk past the Rose Garden to host an event marking the 20th anniversary of the national service program AmeriCorps at the White House in Washington September 12, 2014. In 1993, Clinton signed the bill that created AmeriCorps.

Kevin Lamarque/Reuters

U.S. President Barack Obama and former President Bill Clinton walk past the Rose Garden to host an event marking the 20th anniversary of the national service program AmeriCorps at the White House in Washington

President Barack Obama, first lady Michelle Obama, Vice President Joe Biden, and others, stand on the South Lawn of the White House in Washington, Thursday, Sept. 11, 2014, as they observe a moment of silence to mark the 13th anniversary of the 9/11 attacks.

Charles Dharapak/AP

President Barack Obama, first lady Michelle Obama, Vice President Joe Biden, and others, stand on the South Lawn of the White House in Washington on Thursday, as they observe a moment of silence to mark the 13th anniversary of the 9/11 attacks