Greek Finance Minister Yanis Varoufakis arrives to attend a central

Greek Finance Minister Yanis Varoufakis arrives to attend a central

Greek Finance Minister Yanis Varoufakis arrives to attend a central committee of leftist Syriza party in Athens

Greek Finance Minister Yanis Varoufakis arrives to attend a central committee of leftist Syriza party in Athens, May 23, 2015. REUTERS/Kostas Tsironis