President Donald Trump ignores deep ties with China

President Donald Trump is breaking with recent US convention by portraying China as a rival that wants to undermine American prosperity. But it may take more than an aggressive tone to change the complex relationship between two economies that are joined at the hip.

In a new national-security strategy released Monday, the White House lumped China with Russia as powers seeking to “challenge American power, influence, and interests,” and attempting to erode the country’s security and prosperity. “We will attempt to build a great partnership with those and other countries, but in a manner that always protects our national