NOTE: As a Detroit Tigers and Mangum fan, this is my letter to Tom Selleck, admittedly a bit tongue in cheek. The facts vs. fiction I present, though, tell the true story of college football integration’s pioneers in the 1960s. College football integration was fait accompli by 1970, thanks to the price paid by true pioneers. They knocked down the door. Alabama coach Bear Bryant didn’t open the door. He was pointed to it after coaching segregated teams…