Secretary of State Marco Rubio warns China remains a major challenge as Trump’s summit puts trade, technology theft, Iran, Taiwan and rare earth minerals in focus. Critics say Beijing’s economic pressure points could give the U.S. leverage. #FoxNews #Trump #China #MarcoRubio #Beijing #RareEarths Don’t just watch Fox News—be part of it. Become a Fox News Patriot today. https://youtube.com/foxnews/join Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.