NORMAN — Bennie Owen is one of Oklahoma’s legendary football coaches, the progenitor of the OU monster, the man responsible for the vision of a football stadium that still bears his name and more than 100 years later is known as “The Palace on the Prairie.” On Tuesday, OU President Joseph Harroz Jr. invoked Owen when speaking ahead of the groundbreaking for the Rock Creek Entertainment District , the centerpiece of which will be an arena that will serve as home to Sooners’ men’s and women’s basketball as well as women’s gymnastics. “Bennie’s line was, ‘You either go forward or go backward. There is no standing still,’ ” Harroz said. "And plenty of folks go backward, but there is no standing still. I think the big question for all of us, if we think about the history of Norman, the history of the university, and those two being fully intertwined, is, have we created a moment and are we deserving of that moment?…