SportsPulse: In a one-on-one with Cowboys legend Emmitt Smith, Jori Epstein and the Hall of Famer discuss how Kellen Moore is unlocking Dak Prescott's potential and his thoughts on Ezekiel Elliott's new contract. » Subscribe to USA TODAY Sports: https://bit.ly/2L0ktE1 » USA TODAY delivers current local and national news, sports, entertainment,  finance, technology, and more through award-winning journalism, photos, videos and VR. #dallascowboys #zekeelliott #KellenMoore