US President Barack Obama listens as Chinese President Xi Jinping answers a question following their bilateral meeting at the Annenberg Retreat at Sunnylands in Rancho Mirage, California, on June 7, 2013.Obama, with Chinese counterpart Xi Jinping by his side, called Friday for common rules on cybersecurity after allegations of hacking by Beijing. At a summit in the Calfornia desert, Obama said it was "critical" to reach a "permanent understanding" on cybersecurity. He also voiced concern over intellectual theft and urged "common rules of the road." AFP PHOTO/Jewel Samad        (Photo credit should read JEWEL SAMAD/AFP via Getty Images)