It has been a hotly debated topic in college football circles as to whether the SEC's reign of dominance has ended after a nearly 20-year run, and while I'm not here to bury the league just yet, it's hard to argue they've taken a step back.From 2006 to 2023, an SEC team won a staggering 13 of a possible 17 national championships during the era of both the BCS and College Football Playoff.However, the once-dominant Southeastern Conference hasn't …