see more

Alexis Tsipras, Greece's prime minister, exits Maximos Mansion in Athens, Greece, on Thursday, July 9, 2015. Greece is rushing to pull together a detailed economic package to convince European leaders that it can keep the euro. Photographer: Kostas Tsironis/Bloomberg via Getty Images

Alexis Tsipras, Greece's prime minister, exits Maximos Mansion in Athens, Greece, on Thursday, July 9, 2015. Greece is rushing to pull together a detailed economic package to convince European leaders that it can keep the euro. Photographer: Kostas Tsironis/Bloomberg via Getty Images

see more

WASHINGTON, DC - OCTOBER 17: U.S. President Donald Trump (L) welcomes Greek Prime Minister Alexis Tsipras to the White House October 17, 2017 in Washington, DC. A left-wing socialist, Tsipras was critical of Trump during his 2016 presidential campaign. But with tension high between the U.S. and Turkey, Trump and Tsipras are looking for renewed ties as they discuss defense, economic issues, energy security and cultural ties, according to the White House. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - OCTOBER 17:  U.S. President Donald Trump (L) welcomes Greek Prime Minister Alexis Tsipras to the White House October 17, 2017 in Washington, DC. A left-wing socialist, Tsipras was critical of Trump during his 2016 presidential campaign. But with tension high between the U.S. and Turkey, Trump and Tsipras are looking for renewed ties as they discuss defense, economic issues, energy security and cultural ties, according to the White House.  (Photo by Chip Somodevilla/Getty Images)

see more

MADRID, SPAIN - APRIL 10: (L-R) Prime Minister Portugal Antonio Costa, Prime Minister Malta Joseph Muscat, French President Francois Hollande, Spanish Prime Minister Mariano Rajoy, President of Cyprus Nicos Anastasiades, Prime Minister of Greece Alexis Tsipras and Prime Minister of Italy Paolo Gentiloni pose for a family picture as they arrive to the Southern European Union Countries Summit at the Pardo Palace on April 10, 2017 in El Pardo, near Madrid, Spain. Spanish Prime Minister Mariano Rajoy and the leaders of France, Italy, Portugal, Greece, Cyprus and Malta gather in Madrid to prepare their stance on the upcoming Brexit negotiations. (Photo by Pablo Blazquez Dominguez/Getty Images)

MADRID, SPAIN - APRIL 10:  (L-R) Prime Minister Portugal Antonio Costa, Prime Minister Malta Joseph Muscat, French President Francois Hollande, Spanish Prime Minister Mariano Rajoy,  President of Cyprus Nicos Anastasiades, Prime Minister of Greece Alexis Tsipras and Prime Minister of Italy Paolo Gentiloni pose for a family picture as they arrive to the Southern European Union Countries Summit at the Pardo Palace on April 10, 2017 in El Pardo, near Madrid, Spain. Spanish Prime Minister Mariano Rajoy and the leaders of France, Italy, Portugal, Greece, Cyprus and Malta gather in Madrid to prepare their stance on the upcoming Brexit negotiations.  (Photo by Pablo Blazquez Dominguez/Getty Images)