European Commission President Jean-Claude Juncker, center left, greets Ukrainian President Petro Poroshenko, center right, during arrivals at the Eastern Partnership summit in Riga, on Friday, May 22, 2015. EU leaders gather for a second day of meetings with six post-communist nations to discuss various issues, including enlargement, the economy and Ukraine. At left is European Council President Donald Tusk and right is Latvian Prime Minister Laimdota Straujuma.
Mindaugas Kulbis Associated Press