Any China lethal aid to Russia would come at 'real costs,' U.S. says

China has not moved toward providing lethal aid that would help Russia in its invasion of Ukraine and the United States has made clear behind closed doors that such a move would have serious consequences, White House national security adviser Jake Sullivan said on Sunday. "Beijing will have to make its own decisions about how it proceeds, whether it provides military assistance - but if it goes down that road it will come at real costs to China," Sullivan told CNN's "State of the Union" program. China has not moved forward in providing that aid, but neither has Beijing taken…