As US-China tensions increasingly reshape global business, an old dynamic is re-emerging with the return of the middleman. Multinational firms that once prized direct control are again turning to local partners to navigate political rifts and commercial barriers. The pattern echoes an older era: the same reliance on middlemen that once moved tea and porcelain through old Canton now underpins how TikTok, McDonald’s and Starbucks navigate a divided global economy. Under the Canton system, overseas...