US President Barack Obama (L) walks with China's President Xi Jinping at the Zongnanhai leaders compound, ahead of a dinner in Beijing on November 11, 2014. The summit of Asia-Pacific leaders supported a China-backed "roadmap" towards a vast free trade area, Chinese President Xi Jinping said on November 11. AFP PHOTO / Mandel NGAN        (Photo credit should read MANDEL NGAN/AFP via Getty Images)