U.S. lawmakers have tried four times since September last year to close what they called a glaring loophole: China is getting around export bans on the sale of powerful American AI chips by renting them through U.S. cloud services instead.

But the proposals prompted a flurry of activity from more than 100 lobbyists from tech companies and their trade associations trying to weigh in, according to disclosure reports.

The result: All four times, the proposal failed, including just last month.

As leaders Donald Trump and Xi Jinping prepare for a long-heralded meeting Thursday, the sale of U.S. technology to China is among the thorniest issues the U.S. faces, with billions of dollars and the future of tech dominance at stake . But the tough talk about China obscures a deeper story: Eve

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