Associated Press: The chief U.S. climate negotiator says China is seeking to get advanced U.S. technology as part of a deal on global warming. Jonathan Pershing was part of a U.S. delegation that recently returned from meeting China’s vice premier and officials involved in climate change in Beijing. An understanding between the world’s two biggest polluters is seen as essential for a global climate change deal. Pershing told Public Radio International on the sidelines of U.N. climate …