President Joe Biden, on his first visit to Japan since taking office, said the U.S. would be willing to use force to defend Taiwan if it were attacked. #News #Reuters #JoeBiden #Quad #Taiwan 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