Famed sportswriter and Tobacco Road basketball historian Art Chansky is releasing a digital version of his award-winning book, Blue Blood, for the Apple iPad, iPhone and iTouch. Blue Blood details one of sport's greatest rivalries, Duke University and the University of North Carolina at Chapel Hill, and details the emergence, growth and fierce competition that has existed between these two schools, which are located only eight miles apart on Tobacco Road.<br><br>Blue Blood...