Briefly, a question Tuesday afternoon sent Notre Dame offensive coordinator Mike Denbrock into a small fit of laughter. The reporter who asked it referenced Denbrock’s rhetoric that he believed a high-functioning offense would come down the road, but he didn’t know how far down the road. The question, then, was what did he see that led him to believe it’s closer than most think. “It looks like a long and dusty trail right now,” Denbrock said, laughing. The veteran offensive coordinator regained his composure and gave a blunt but truthful response. “No, I mean, listen, there’s signs,” Denbrock …