Danny Barrett scores a sensational try for USA as they reach the Cup semi finals in Las Vegas. <br /> <br />Follow World Rugby on social media: <br />TWITTER.COM/RUGBYWORLDCUP <br />FACEBOOK.COM/RUGBYWORLDCUP <br />WWW.TWITTER.COM/WORLDRUGBY <br />FACEBOOK.COM/WORLDUGBY <br />INSTAGRAM.COM/WORLDRUGBY
