In the weeks before a high-stakes presidential summit, the United States has chosen silence over declaration — holding back a tariff announcement on Chinese goods not out of indecision, but as a calculated act of statecraft. The threat of new duties, kept unspoken, becomes its own form of leverage, a reminder that in diplomacy, what is withheld can carry as much weight as what is said. As Xi Jinping and Donald Trump prepare to meet, the space between a 7.5% levy and a potential 20% one represents not just an economic question, but a test of how two rival powers negotiate the terms of their int