What Trump’s China trip reveals about the AI race

With so many tech bosses accompanying Donald Trump on his recent trip to China, expectations were high that AI and high tech business deals would be central to the talks.  But in the end, there was no breakthrough on selling US firm Nvidia’s high tech AI chips to China. So where does that leave the race for AI dominance and how are China and the US approaching AI differently? Today, China tech expert Selina Xu on who’s ahead right now and what happens next. Featured:  Selina Xu, China tech researcher, writer and analyst