Political economy editors John Carter and Zhou Xin explain the impact of the closure of the Chengdu consulate on US companies, and the deep historical meaning China attaches to the Houston consulate. Hong Kong desk editor Denise Tsang reveals the ongoing fears of American and Japanese companies about being based in Hong Kong and the bad economic news ahead. Veteran trade lawyer Will Marshall unpacks how his clients and Hong Kong's business community are discovering the Hong Kong Autonomy Act is…