National Security Adviser Jake Sullivan this week raised U.S. concerns about “unfair” trade and economic practices during a meeting with Chinese Foreign Minister Wang Yi, who in turn characterized U.S. complaints about overcapacity in green technology sectors as excuses to “engage in protectionism,” according to readouts from both sides. Sullivan traveled to Beijing to meet with Wang, who also serves as the director of the Chinese Communist Party Central Committee Foreign Affairs Commission Office. The meeting was their fifth. “Using...