Support WBURIs China a threat or an opportunity? Depends which Americans you askPlay08:15Download AudioGreg MyreJohn RuwitchOctober 08, 2021 ShareIn this 2011 photo, then-U.S. Vice President Joe Biden walks with then-Chinese Vice President Xi Jinping in southwestern China. Both are now presidents of their countries at a time when U.S.-China relations have been growing increasingly tense. (AP)
