The onset of football training camps serves as a reminder that there is no group of humans more inclined to obliviousness than college football coaches. They consistently show an uncanny ability to tune the rest of the world out to focus on their team and their sport, often to their own embarrassment and the shame of the school.We present, for your consideration, the recent contributions of leaders of two prominent programs to the assemblage of asinine utterings.First up, North Carolina coach Larry Fedora, who told a gathering of media two weeks ago that it hadn’t been proven that football causes chronic traumatic encephalopathy or CTE.