Joe Biden turned 80 on Sunday, making him the first octogenarian president in U.S. history. According to a recent Reuters poll, some 86 percent of Americans said they believe there should be a cut-off age of 75 for serving as president. #News #Reuters #newsfeed #joebiden #age #president 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