College football is back! So are Georgia and Bama, and maybe even USC

To endure an offseason as a college football fan is to live within an ecosystem of daily panic, nearly constant tumult and, on the plus side, the occasional heated debate over what to name a chicken. These are fraught times for the sport, when each day brings the possibility of a star player switching teams or a marquee program swapping leagues. Since Kirby Smart hoisted the national championship trophy nine months ago, we’ve all been…