At the heart of the strategy behind the prime minister's visit to China this week is what some describe as China's "looking up economy". What they mean by this is this is a tightly controlled state where the Chinese Communist Party is ever present. So, to deliver significant change the message from the top has to be abundantly clear, and when it is big shifts in outlook might then follow. Downing Street hopes Sir Keir Starmer's three-day visit, including meeting President Xi and Premier Li in