ARCHIV – (L-R) US President Barack Obama , French President Nicolas Sarkozy, German Chancellor Angela Merkel and British Prime Minister David Cameron attend the family photo session of the NATO summit conference in Lisbon, Portugal, 19 November 2010. Reports state that heads of State of NATO member countries gather for a two day summit in Lisbon to discuss topics such as Afghanistan and missile defense. EPA/RAINER JENSEN (Zu dpa-Jahreschronik – Die wichtigsten Ereignisse des Jahres 2010) +++(c) dpa – Bildfunk+++