In a phone call with U.S. President Joe Biden, Chinese President Xi Jinping highlighted Beijing's concerns about a possible visit to Taiwan by U.S. House Speaker Nancy Pelosi and said that Washington should abide by the ‘one-China principle’. #News #Reuters #JoeBiden #XiJinping #China #Taiwan #USChinaTies #NancyPelosi Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en