US-China trade: 24 hours that escalated the fight

In the last 24 hours alone, the United States dealt a potentially crippling blow to a big Chinese tech company, Beijing hit out at a major American export crop, and President Donald Trump fired off another angry tweet. 

"I hesitate to call it a [trade] war ... It's more of a trade battle at the moment, but it's escalating," said Ian Mitchell, a trade expert and senior policy fellow at the Center for Global Development.

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