Former Greek Deputy Prime Minister and former Foreign Minister Evangelos Venizelos addresses lawmakers during a parliamentary session before a vote on setting up a special committee which will probe the role of ten politicians in a case which involves alleged bribery by Swiss drugmaker Novartis, in Athens, Greece February 21, 2018. REUTERS/Alkis Konstantinidis 

U.S President Barack Obama walks next to Admiral Evangelos Apostolakis, Chief of the Hellenic National Defence General Staff following his arrival at the Eleftherios Venizelos International airport in Athens, Greece, November 15, 2016. REUTERS/Michalis Karagiannis 

Co-ruling PASOK Socialist party leader Evangelos Venizelos addresses supporters during an election rally in Athens January 21, 2015. An early national election will be held on January 25 after the Greek parliament failed to elect a president. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS) 

Co-ruling PASOK Socialist party leader Evangelos Venizelos addresses supporters during an election rally in Athens January 21, 2015. An early national election will be held on January 25 after the Greek parliament failed to elect a president. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS) 

Co-ruling PASOK Socialist party leader Evangelos Venizelos addresses supporters during an election rally in Athens January 21, 2015. An early national election will be held on January 25 after the Greek parliament failed to elect a president. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS) 

Co-ruling PASOK Socialist party leader Evangelos Venizelos waves at supporters during an election rally in Athens January 21, 2015. An early national election will be held on January 25 after the Greek parliament failed to elect a president. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS) 

Co-ruling PASOK Socialist party leader Evangelos Venizelos arrives for a speech during an election rally in Athens January 21, 2015. An early national election will be held on January 25 after the Greek parliament failed to elect a president. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS) 

Greece's Deputy Prime Minister, Foreign Minister and co-ruling PASOK Socialist party leader Evangelos Venizelos looks on during an interview with Reuters at the foreign ministry in Athens January 20, 2015. Greece's Socialist PASOK party could support a government led by the radical leftist Syriza party as part of a wider pro-euro alliance to steer the country out of its bailout program, PASOK leader Venizelos told Reuters. Picture taken January 20, 2015. To match Interview GREECE-ELECTION/SOCIALISTS REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS) 

Greece's Deputy Prime Minister, Foreign Minister and co-ruling PASOK Socialist party leader Evangelos Venizelos speaks during an interview with Reuters at the foreign ministry in Athens January 20, 2015. Greece's Socialist PASOK party could support a government led by the radical leftist Syriza party as part of a wider pro-euro alliance to steer the country out of its bailout program, PASOK leader Venizelos told Reuters. Picture taken January 20, 2015. To match Interview GREECE-ELECTION/SOCIALISTS REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS) 

Greece's Deputy Prime Minister, Foreign Minister and co-ruling PASOK Socialist party leader Evangelos Venizelos looks at his mobile phone before an interview with Reuters at the foreign ministry in Athens January 20, 2015. Greece's Socialist PASOK party could support a government led by the radical leftist Syriza party as part of a wider pro-euro alliance to steer the country out of its bailout program, PASOK leader Venizelos told Reuters. Picture taken January 20, 2015. To match Interview GREECE-ELECTION/SOCIALISTS REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS) 

Greece's Prime Minister Antonis Samaras (C), Deputy Prime Minister and Foreign Minister Evangelos Venizelos (L) and Finance Minister Gikas Hardouvelis attend a cabinet meeting following the last round of a presidential vote in Athens December 29, 2014. Greek Prime Minister Samaras said he would propose holding an early national election on Jan. 25 after parliament rejected his nominee for president. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS BUSINESS) 

Swiss President and President of the Organization for Security and Co-operation in Europe (OSCE) Didier Burkhalter welcomes Greece's deputy Prime Minister and Foreign Minister Evangelos Venizelos (R) at the meeting of foreign ministers from the OSCE in Basel December 4, 2014. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: POLITICS)

Greek bondholders hold placards depicting Greek Prime minister Antonis Samaras and his deputy Evangelos Venizelos during a protest rally outside the finance ministry in Athens October 31, 2014. Dozens of retail bondholders held a rally demanding to be compensated for their inclusion in a government debt swap that wiped out much of their savings back in 2012. The banners read "PSI - The big theft of bondholders". REUTERS/Yorgos Karahalis (GREECE - Tags: POLITICS BUSINESS CIVIL UNREST) 

U.S. Secretary of State John Kerry (front C) is joined by Jordan's Foreign Minister Nasser Judeh (front 2nd R) and France's Foreign Minister Laurent Fabius (front R) and Greece's Deputy Prime Minister and Foreign Minister Evangelos Venizelos (front 2nd L) as they pose for a group photo with other Gaza Donor Conference attendees in Cairo October 12, 2014. REUTERS/Carolyn Kaster/Pool (EGYPT - Tags: POLITICS) 

U.S. Secretary of State John Kerry (front 2nd L) talks with Jordan's Foreign Minister Nasser Judeh (front 2nd R) as they gather for a group photo with other Gaza Donor Conference attendees in Cairo October 12, 2014. Also in the front row are Greece's Deputy Prime Minister and Foreign Minister Evangelos Venizelos (L) and France Foreign Minister Laurent Fabius (R). REUTERS/Carolyn Kaster/Pool (EGYPT - Tags: POLITICS) 

U.S. Secretary of State John Kerry (R) speaks with Greece's Deputy Prime Minister and Foreign Minister Evangelos Venizelos during the Gaza international donors conference in Cairo October 12, 2014. Kerry announced on Sunday an additional $212 million in aid to the Palestinian people at a Cairo conference on rebuilding Gaza following a war earlier this year. REUTERS/Carolyn Kaster/Pool (EGYPT - Tags: POLITICS) 

Greece's Deputy Prime Minister and Minister for Foreign Affairs Evangelos Venizelos addresses the 69th session of the United Nations General Assembly at the U.N. headquarters in New York, September 27, 2014. REUTERS/Ray Stubblebine (UNITED STATES - Tags: POLITICS) 

Former French Finance Minister and France's candidate for the European Commission Pierre Moscovici (rear) looks on as Greece's Deputy Prime Minister Evangelos Venizelos talks to journalists during their meeting in Athens August 27, 2014. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS BUSINESS) 

Former French Finance Minister and France's candidate for the European Commission Pierre Moscovici gestures during his meeting with Greece's Deputy Prime Minister Evangelos Venizelos (not pictured) in Athens August 27, 2014. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS BUSINESS) 

NATO Secretary General Anders Fogh Rasmussen (L) and U.S. Secretary of State John Kerry pose for a family photo with German Foreign Minister Frank-Walter Steinmeier (back, L) and his Greek counterpart Evangelos Venizelos (back, R) during a NATO foreign ministers meeting at the Alliance headquarters in Brussels June 25, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS MILITARY) 

German Foreign Minister Frank-Walter Steinmeier talks to his Greek counterpart Evangelos Venizelos (R) during a NATO foreign ministers meeting at the Alliance headquarters in Brussels June 25, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS MILITARY) 

Greek Foreign Minister Evangelos Venizelos talks to U.S. Secretary of State John Kerry (R) during a NATO foreign ministers meeting at the Alliance headquarters in Brussels June 25, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS MILITARY) 

Greek Foreign Minister Evangelos Venizelos talks to European Union foreign policy chief Catherine Ashton (R) during a NATO foreign ministers meeting at the Alliance headquarters in Brussels June 25, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS MILITARY) 

European Union (EU) foreign policy chief Catherine Ashton (C) and Greek Foreign Minister Evangelos Venizelos (R) look on after a family photo at an EU-Arab league summit in Athens June 11, 2014. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS) 

Greece's newly-appointed Finance Minister Gikas Hardouvelis (R), Prime Minister Antonis Samaras (C) and Deputy Prime Minister Evangelos Venizelos wait for a cabinet meeting to start in Athens June 10, 2014. Greek Prime Minister Samaras appointed economist Gikas Hardouvelis as finance minister in a cabinet reshuffle on Monday, replacing Yannis Stournaras who has led Greece's negotiations with its EU/IMF lenders and its return to financial markets this year. REUTERS/Yorgos Karahalis (GREECE - Tags: POLITICS BUSINESS) 

Greece's Prime Minister Antonis Samaras (front) arrives with his deputy Evangelos Venizelos for a cabinet meeting in Athens June 10, 2014. Greek Prime Minister Samaras appointed economist Gikas Hardouvelis as finance minister in a cabinet reshuffle on Monday, replacing Yannis Stournaras who has led Greece's negotiations with its EU/IMF lenders and its return to financial markets this year.
REUTERS/Yorgos Karahalis (GREECE - Tags: POLITICS BUSINESS) 

Greek Foreign Minister Evangelos Venizelos and his Italian counterpart Federica Mogherini (R) arrive at an European Union foreign ministers meeting in Brussels May 12, 2014. The European Union is set to step up pressure on Russia on Monday by taking a first cautious step towards extending sanctions to companies, as well as people, linked to Moscow's annexation of Ukraine's Crimea region. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS) 

Greece's Foreign Minister Evangelos Venizelos (2nd R) and European Union (EU) foreign policy chief Catherine Ashton talk after a news conference during an informal meeting of EU foreign ministers in Athens April 5, 2014. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS) 

Greece's Foreign Minister Evangelos Venizelos (L), EU foreign policy chief Catherine Ashton (C) and Britain's Foreign Secretary William Hague talk before an informal meeting of EU foreign ministers in Athens April 4, 2014. REUTERS/Louisa Gouliamaki/Pool (GREECE - Tags: POLITICS) 

Government Secretary General Takis Baltakos (top) attends a parliamentary session with Greece's Finance Minister Yannis Stournaras (L) and Foreign Minister Evangelos Venizelos in Athens, March 30, 2014. Baltakos, a senior aide to Greece's prime minister resigned on April 2, 2014 after the far-right Golden Dawn party said a video showed him suggesting the government had tried to press judges to jail its members. Government Secretary General Baltakos did not refer directly to the comments he was reported to have made in the video, but said he was stepping down because of the furore caused by the video released online and shown on television. Picture taken March 30, 2014. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS) 

France's President Francois Hollande (C) talks with Luxembourg's Foreign Minister Jean Asselborn (L) and Greece's Foreign Minister Evangelos Venizelos (R) during a European Union Africa summit in Brussels April 2, 2014. Leaders from Africa and EU countries met to discuss cooperation. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS) 

France's President Francois Hollande (R) talks with Greece's Foreign Minister Evangelos Venizelos (L) during a European Union Africa summit in Brussels April 2, 2014. Leaders from Africa and EU countries meet to discuss cooperation. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS) 

German Foreign Minister Frank-Walter Steinmeier greets Britain's Foreign Secretary William Hague (R) as they pose for a family photo next to their Greek counterpart Evangelos Venizelos (C) during a NATO foreign ministers meeting at the Alliance headquarters in Brussels April 1, 2014. NATO said on Tuesday it will suspend "all practical civilian and military cooperation" with Russia because of Moscow's occupation and annexation of Ukraine's Crimea region. REUTERS/John Thys/Pool (BELGIUM - Tags: POLITICS MILITARY) 

Deputy Prime Minister and Foreign Minister Evangelos Venizelos speaks during a parliament session as Finance Minister Yannis Stournaras (L) looks on, before a vote for an omnibus reforms bill in Athens March 30, 2014. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS BUSINESS) 

Israeli Foreign Minister Avigdor Lieberman (L) speaks with his Greek counterpart Evangelos Venizelos following a news briefing in Athens March 20, 2014. Lieberman held a meeting with Venizelos over Crimea, Turkey relations and Iran nuclear talks, and said there is no link between Crimea and problems in the Middle East and Israel will not interfere. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS) 

Israeli Foreign Minister Avigdor Lieberman addresses journalists during a news briefing inside Greece's Foreign Ministry in Athens March 20, 2014. Lieberman held a meeting with Greek counterpart Evangelos Venizelos over Crimea, Turkey relations and Iran nuclear talks and said there is no link between Crimea and problems in the Middle East and that Israel will not interfere. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS) 

Evangelos Venizelos (centre L), Foreign Minister of Greece and the current Chairman of the EU Council of Ministers, is welcomed by Macedonian Foreign Minister Nikola Poposki (centre R) in Skopje February 20, 2014. Macedonia, an EU candidate country, has not started membership negations due to a more than a decade long dispute with Greece over its name. REUTERS/Ognen Teofilovski (MACEDONIA - Tags: POLITICS) 

Evangelos Venizelos (L), Foreign Minister of Greece and the current Chairman of the EU Council of Ministers, is welcomed by Macedonian Foreign Minister Nikola Poposki (R) in Skopje February 20, 2014. Macedonia, an EU candidate country, has not started membership negations due to a more than a decade long dispute with Greece over its name. REUTERS/Ognen Teofilovski (MACEDONIA - Tags: POLITICS) 

Evangelos Venizelos, Foreign Minister of Greece and the current Chairman of the EU Council of Ministers, leaves after a meeting with Macedonian Foreign Minister Nikola Poposki in Skopje February 20, 2014. Macedonia, an EU candidate country, has not started membership negations due to a more than a decade long dispute with Greece over its name. REUTERS/Ognen Teofilovski (MACEDONIA - Tags: POLITICS) 

Evangelos Venizelos, Foreign Minister of Greece and the current Chairman of the EU Council of Ministers, leave after a meeting with Macedonian Foreign Minister Nikola Poposki in Skopje February 20, 2014. Macedonia, an EU candidate country, has not started membership negations due to a more than a decade long dispute with Greece over its name. REUTERS/Ognen Teofilovski (MACEDONIA - Tags: POLITICS) 

European Union foreign policy chief Catherine Ashton reacts as she listens to Greek Foreign Minister Evangelos Venizelos (L) next to Finnish Foreign Minister Erkki Tuomioja (C) during a EU foreign ministers meeting in Brussels February 10, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS TPX IMAGES OF THE DAY) 

Serbian Deputy Prime Minister Aleksandar Vucic (L-R), Serbian Prime Minister Ivica Dacic, Greek Foreign Minister Evangelos Venizelos and European Enlargement Commissioner Stefan Fule take part in a news conference after a meeting on accession of Serbia to the European Union in Brussels January 21, 2014. The launch of talks follows a sea-change in official Serbian policy towards its former Kosovo province, with an EU-brokered accord in April, under which Belgrade agreed to help end Kosovo's de facto ethnic partition by ceding control over the mainly Serb north. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS) 

Serbia's Prime Minister Ivica Dacic (L) and Greek Foreign Minister Evangelos Venizelos, whose country holds the rotating European Union presidency, take part in a news conference after a meeting on Serbia's EU accession, in Brussels January 21, 2014. The launch of talks follows a sea-change in official Serbian policy towards its former Kosovo province, with an EU-brokered accord in April, under which Belgrade agreed to help end Kosovo's de facto ethnic partition by ceding control over the mainly Serb north. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS) 

Serbia's Prime Minister Ivica Dacic (L) and Greek Foreign Minister Evangelos Venizelos, whose country holds the rotating European Union presidency, take part in a news conference after a meeting on Serbia's EU accession, in Brussels January 21, 2014. The launch of talks follows a sea-change in official Serbian policy towards its former Kosovo province, with an EU-brokered accord in April, under which Belgrade agreed to help end Kosovo's de facto ethnic partition by ceding control over the mainly Serb north. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS) 

European Enlargement Commissioner Stefan Fule (2nd L) meets Serbian Prime Minister Ivica Dacic (2nd R), Deputy Prime Minister Aleksandar Vucic (3rd L) as they stand next to Greek Foreign Minister Evangelos Venizelos (R) during an European Union-Serbia accession conference at the EU Council in Brussels January 21, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS) 

Greek Foreign Minister Evangelos Venizelos greets Serbian Prime Minister Ivica Dacic (L) during a European Union-Serbia accession conference at the EU Council in Brussels January 21, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS) 

Greek Foreign Minister Evangelos Venizelos greets Serbian Prime Minister Ivica Dacic (L) during a European Union-Serbia accession conference at the EU Council in Brussels January 21, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS) 

Greek Foreign Minister Evangelos Venizelos greets Serbian Prime Minister Ivica Dacic (L) during a European Union-Serbia accession conference at the European Union Council in Brussels January 21, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS) 

European Commission President Jose Manuel Barroso (C) shields his eyes from the sun rays during a family photo shooting as Greece's Prime Minister Antonis Samaras (R) and Deputy Prime Minister Evangelos Venizelos look on, at Zappeion Hall in Athens January 8, 2014. Greece took over the presidency of the European Union on Wednesday and chose the moment to deliver a staunch defense of its efforts to recover from six years of recession and two bailouts that have cost it more than 200 billion euros.REUTERS/Yorgos Karahalis (GREECE - Tags: POLITICS) 

Deputy Prime Minister Evangelos Venizelos delivers a speech during a parliament session where lawmakers vote on the 2014 budget in Athens December 7, 2013. REUTERS/Yorgos Karahalis (GREECE - Tags: POLITICS BUSINESS) 

U.S. Secretary of State John Kerry poses with NATO Secretary General Anders Fogh Rasmussen (L) while Greek Foreign Minister Evangelos Venizelos greets British Foreign Secretary William Hague (R) during a NATO foreign ministers meeting at the Alliance headquarters in Brussels December 3, 2013. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS MILITARY) 

European Parliament President Martin Schulz (L) and Greece's Foreign Minister Evangelos Venizelos gesture during a news conference in Athens November 4, 2013. REUTERS/John Kolesidis (GREECE - Tags: POLITICS BUSINESS) 

Greek Foreign Minister Evangelos Venizelos (R) talks with NATO Secretary General Anders Fogh Rasmussen during their meeting in Athens October 10, 2013. REUTERS/John Kolesidis (GREECE - Tags: POLITICS MILITARY) 

Greek Foreign Minister Evangelos Venizelos (R) welcomes NATO Secretary General Anders Fogh Rasmussen (2nd L) during their meeting in Athens October 10, 2013. REUTERS/John Kolesidis (GREECE - Tags: POLITICS BUSINESS) 

Greek Foreign Minister Evangelos Venizelos addresses the 68th United Nations General Assembly at U.N. headquarters in New York, September 27, 2013. REUTERS/Eduardo Munoz (UNITED STATES - Tags: POLITICS)

Greek Foreign Minister Evangelos Venizelos addresses the 68th United Nations General Assembly at U.N. headquarters in New York, September 27, 2013. REUTERS/Eduardo Munoz (UNITED STATES - Tags: POLITICS)

Greek Foreign Minister Evangelos Venizelos addresses the 68th United Nations General Assembly at U.N. headquarters in New York, September 27, 2013. REUTERS/Eduardo Munoz (UNITED STATES - Tags: POLITICS)

Evangelos Venizelos, Minister for Foreign Affairs of Greece, talks during an editorial board meeting at the Reuters Headquarters during the United Nations General Assembly in New York September 25, 2013. REUTERS/Joshua Lott (UNITED STATES - Tags: POLITICS) 

Evangelos Venizelos (C), Minister for Foreign Affairs of Greece, talks during an editorial board meeting at the Reuters Headquarters during the United Nations General Assembly in New York September 25, 2013. REUTERS/Joshua Lott (UNITED STATES - Tags: POLITICS) 

Evangelos Venizelos, Minister for Foreign Affairs of Greece, talks during an editorial board meeting at the Reuters Headquarters during the United Nations General Assembly in New York September 25, 2013. REUTERS/Joshua Lott (UNITED STATES - Tags: POLITICS)