Reuters: The United States does not expect to reach an agreement on climate change with China during President Barack Obama’s visit to Beijing next month, the country’s senior climate change envoy said on Wednesday. "I don’t think we are getting any agreement per se," said Todd Stern, U.S. Special Envoy for Climate Change. "I think (Obama) is trying to talk to President Hu, to push toward as much common understanding as we possibly can in order to facilitate an agreement in Copenhagen," …