December 02, 2013, 06:58 pm Biden goes on mission to China By Julian Pecquet Vice President Biden has been thrust into the center of an escalating standoff with China that is testing him on the global stage ahead of a possible presidential run in 2016. President Obama dispatched Biden to Asia, where he will deliver a strong warning to China for declaring an air defense zone over islands that are also claimed by U.S. ally Japan. “This is an opportunity for Vice President Biden to raise our concerns directly with policymakers in Beijing and to seek clarity regarding the Chinese...