By Michael Rosenberg The similarities between their Duke and Michigan State programs run deep. Now, they’ll meet for a 16th and final time. There are a lot of ways to describe the final matchup between Mike Krzyzewski and Tom Izzo. Two Hall of Fame coaches. Two national-championship winners. Two good friends. But maybe the simplest way to understand what separates the coaches from even the best of their peers is to start here: Duke and Michigan State have not looked outside of their own campuses for a coach in 40 years. Kansas has. Kentucky does it with almost every hire. UCLA does it all the …