"What was once unthinkable—direct conflict between the United States and China—has now become a commonplace discussion in the national security community as tensions continue to escalate between Taiwan and China. Two big indicators that cause analysts concern is Xi Jinping saying Taiwan belongs to Beijing and will be reunified and their massive military buildup over the past 20 years. "WSJ spoke with the CSIS’s Mark Cancian, who lays out the outcome of a potential war in the Taiwan Strait based on the organization's recent wargames."