Speaking on a plane on his way to Qatar's capital of Doha for peace talks between the Taliban and the Afghan government, U.S. Secretary of State Mike Pompeo welcomed the negotiations but said they would likely be 'contentious.' 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