For a minute there, Clemson had you wondering, didn’t it? During a large portion of the first half of Saturday’s season-opener against Georgia, Clemson was more than hanging in there. It looked physically able to keep up with the monsters on the other sideline. It was hitting hard, running just as fast and, most importantly, keeping the scoreboard close. It was rational to quietly wonder: “Could this Clemson team be a real problem this year? Could the Tigers be back?” When the titans of this sport clash, there’s a certain look to it. The game, for a while, had that look. Then a few hours went …