TUSCALOOSA, Ala. -- Auburn interim head coach Carnell "Cadillac" Williams took the blame for his team's 49-27 loss to Alabama in the Iron Bowl on Saturday. There were too many mistakes, which he said he was responsible for. But Williams couldn't help but look back on the last month since Bryan Harsin's firing and feel pride for the way players, coaches and staff responded. Since then, with Williams as interim coach, Auburn went 2-2 with wins over Texas A&M and Western Kentucky.   Williams has participated in the Iron Bowl as a player with the Tigers and reflected on adding another chapter in his history with the rivalry. Despite the outcome of the game, he couldn't help feeling overwhelmed by the personal achievement of being the first Black man to serve as a head coach in the Iron Bowl's more than 100-year history. Williams said he told players about making history the night before the game and "it almost broke me down." "We don't dream about being a head...