NATO summit in Lisbon (6 images)

U.S. President Barack Obama speaks at his news conference during the NATO Summit in Lisbon on November 20, 2010. UPI

NATO Secretary General Anders Fogh (L) looks on as Russian President Dmitry Medvedev (C) shkaes hands with Portugal's Prime Minister Jose Socrates before NATO Russia Council meeting during NATO summit in Lisbon on November 20, 2010.. UPI

U.S. President Barack Obama speaks at his news conference during the NATO Summit in Lisbon on November 20, 2010. UPI

NATO Secretary General Anders Fogh (L), Russian President Dmitry Medvedev (C) and Portugal's Prime Minister Jose Socrates pose before NATO Russia Council meeting during NATO summit in Lisbon on November 20, 2010.. UPI