Welcome to Foreign Policy ’s China Brief. The highlights this week: Beijing overturns Meta’s acquisition of a Chinese-founded AI company , the Iran war complicates the U.S. ability to defend Taiwan , and an accounting giant is caught up in the fallout from Evergrande Group’s case in Hong Kong . China Blocks Meta’s AI Acquisition On Monday, China blocked Meta’s acquisition of Manus, an artificial intelligence firm founded by Chinese entrepreneurs and based in Singapore. The move marked a