In speaking on the telephone with Taiwan's President Tsai Ing-wen and lashing out at China on Twitter over the weekend, President-elect Donald Trump did more than bewilder leaders in Beijing and the White House.
He made clear that he's serious about his vows to wring a new deal from China on trade and appears to be ready to challenge at least the atmospherics of the US relationship with Taiwan -- an issue of deep sensitivity in Beijing.
His tactics also show that President Trump promises to be just as much of a disruptor in international relations as he has been in domestic politics, no matter what conventions get broken in the process.
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