The exclusion of Taiwan, a democracy of 23 million people, from the United Nations – despite the fact that it is represented in a range of other international organisations, such as APEC, the International Olympic Committee and the World Trade Organisation – may be encouraging Beijing’s sabre-rattling towards its small neighbour, says Osman Chia.The United Nations is committed in its Charter to the ideals of world peace, international co-operation, as well as human rights and fundamental freedom…