How Biden administration's export ban is choking off China's tech ambitions

The US and China are locked in a battle over microchips, which is stretching the global supply chains to their limits. President Biden's...

The US and China are locked in a battle over microchips, which is stretching the global supply chains to their limits. President Biden's CHIPS Act that bans certain chip exports to China is hurting the country's tech ambitions. CNN's Selina Wang reports.

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