Biden: China didn't need reassurance on U.S. economy TOKYO (Reuters) - Vice President Joe Biden said on Monday China's leaders did not seek reassurances about the weak U.S. economy, and he called Xi Jinping -- the man expected to take over as China's next president -- pragmatic and strong. feeds.reuters.com/~r/Reuters/PoliticsNews/~3/4obh8UPcFvA/us-usa-biden-china-idUSTRE77M0VF20110823