WASHINGTON (Reuters) – U.S. President Joe Biden has frequently referred to the current state of global politics as an “inflection point” – a moment, he says, when people need to choose between democratic systems of government and dictatorships, or find the world forever changed. Chinese president Xi Jinping, whose consolidation of his own power as head of the world’s second largest economy has raised concerns he plans to be a ruler for life, has had enough. “The so-called ‘democracy versus authoritarianism’ narrative is not the defining feature of today’s world, still less does it represent th…