Several dozen former Tar Heels were in the audience Tuesday when Mack Brown was introduced as Carolina's new head football coach, commencing the Second Coming of Mack. Brown's first tenure from 1988-97 included a 69-46-1 record that was a much more remarkable 67-26-1 if you back out the 2-20 rebuilding seasons of 1988-89. Included in that decade were six...