epa03231605 Portuguese Socialist leader Antonio Jose Seguro arrive at the PES European socialist leaders Meeting ahead to EU summit in Brussels, Belgium, 23 May 2012. EU head of states will gather later in the day for an informal EU summit on economic growth, which will mark French President Francois Hollande's debut on the EU scene, and set the stage for a potential clash between his push for economic growth and German demands for fiscal prudence. EPA/OLIVIER HOSLET EPA