In the long arc of US-China relations, where rivalry and interdependence have always coexisted uneasily, negotiators from Washington and Beijing are now working toward tariff reductions on American liquefied natural gas — a commodity that sits at the crossroads of energy security and geopolitical leverage. The talks, timed to precede a state visit by President Xi Jinping, represent a deliberate and narrow gesture of goodwill in a trade relationship long defined by escalation. Whether this signals a genuine thaw or a tactical pause, the world's energy markets are watching closely.