For more than a decade, the Clemson Tigers ruled the ACC with an iron fist and were synonymous with the Alabama Crimson Tide in terms of the national championship picture. Now, the Tigers are four years removed from their last visit to the College Football Playoff, and that has some wondering, ‘What happened?’ On a recent episode of The Ryen Russillo Podcast, Danny Kanell of CBS Sports dropped in and attempted to answer that question. And, and what is likely a surprise to only a few, the former Florida State quarterback put the spotlight on head coach Dabo Swinney‘s ongoing battle with the NCA…