<p>Top government officials are floating the idea of retaliating within the next week to Chinese cyberattacks, possibly by imposing targeted sanctions on some officials and firms, people familiar with the discussions say. But outside experts say it would be wiser to wait until after this month's White House summit with Chinese President Xi Jinping.</p><p>“I heard from one person that it could be as early as next week,” Jim Lewis, director of the Center for Strategic and International Studies’ Strategic Technologies Program, told POLITICO.