The rise of Communist China is an “existential crisis” for liberal democracies around the world, according to Hong Kong democracy activist Nathan Law. “Hong Kong is a prime example of how an authoritarian regime can erode a free city… global leaders can learn from it,” Nathan Law, author of “Freedom: How We Lose It and How We Fight Back,” told EpochTV’s “American Thoughts Leaders” program on Dec. 14. “What’s happening in Hong Kong, what’s happening in Xinjiang, as the rest of China is a wake-up call to the world. It is not just about… helping people in Hong Kong or helping people in Xinjiang, it’s about how we can defend democracy,” he added. Law, who rose to prominence as an activist during the city’s pro-democracy Umbrella Movement in 2014 and is now self-exiled in London, has experienced the Chinese Communist Party’s (CCP) suppression first hand. “For me … the decline …