Heads of state and government attend the North Atlantic Council meeting in Chicago during the NATO 2012 Summit on May 20, 2012. (Xinhua/Wang Lei)
U.S. President Barack Obama (R) and NATO Secretary-General Anders Fogh Rasmussen (L) welcome French President Hollande on his arrival to the NATO Summit in Chicago, May 20, 2012. (Xinhua/Fang Zhe)
French President Hollande (2nd R) attends the North Atlantic Council meeting in Chicago during the NATO 2012 Summit on May 20, 2012. (Xinhua/Wang Lei)
