U.S. Secretary of State Kerry and Chinese State Councilor Yang deliver remarks at the Diaoyutai State Guesthouse in BeijingBy Arshad Mohammed and Ben Blanchard BEIJING (Reuters) – The USA stated on Saturday that China had agreed to assist rid North Korea of its nuclear functionality via peaceable way, but Beijing made no specific commitment in public to pressure its long-time ally to alter its ways. U.S. Secretary of State John Kerry met China's prime leaders in a bid to persuade them to push reclusive North Korea, whose primary diplomatic supporter is Beijing, to reduce its belligerence and, sooner or later, return to nuclear talks. …