Even while warning about national security and human rights abuse, the U.S. government across five Republican and Democratic administrations has repeatedly allowed and even actively helped American firms to sell technology to Chinese police,

CBC News visited Taiwan’s Kinmen islands, which are just a few kilometres across the bay from the Chinese city of Xiamen. The islands have been on the frontline of hostilities between China and Taiwan for more than seven decades.

President Trump told reporters as he flew into Japan that he expects to have a trade agreement with China finalized by the end of his tour of Asia.

It needs the United States for defense and has spent billions building factories in America. But a Trump trade deal this week with China could erase a Korean edge in the U.S. market.

If the Trump administration allows Nvidia to sell a version of its best AI chip to China, as the President opened the door to on Wednesday, experts say it would severely decrease the American advantage in artificial intelligence.

If Beijing takes action to cut the export of chemicals that make fentanyl, the U.S. would cut in half the 20% fentanyl-related levies on Chinese goods.

A former military intelligence soldier was sentenced to four years in prison after pleading guilty to attempting to deliver classified material to China.

The government's chief legal adviser says the trial would have gone ahead if new legislation had been in force.