The announcement last week in Beijing that China wants to build a 200-km tunnel to connect Taiwan to the mainland has been met with deep skepticism in Taiwan, with one critic suggesting the plan might have been fueled by drink. “These tunnel proposals were made after banquets and alcohol, and I have never heard of anyone who supports this,” said Hu Sheng-cheng, an economist widely tipped to become a leading figure in the government of president-elect Tsai Ing-wen of the Democratic Progressive Party, which comes into office in May.