L to R: Chair of the group of the Progressive Alliance of Socialists and Democrats in the European Parliament Gianni Pittella, Group of the European United Left/Nordic Green Left Gabriele Zimmer, European Parliament President Martin Schulz, Co-Chair of the group of the Greens/Europe Free Alliance in the European Parliament Rebecca Harms and Latvian Prime Minister Laimdota Straujuma (R) pose for family photo at the Conference of Presidents in Riga, Latvia on December 4, 2014.