With the NCAA Tourament upon us, it seems like as good a time as any to remind everyone that there is a canyon between coaching in college and coaching in the NBA. There is more than a generation of evidence which clearly illustrates that any NBA team hiring a head coach directly from college is making a huge mistake. P.J. Carlesimo. Tim Floyd. Leonard Hamilton. Lon Kruger. Mike Montgomery. Jerry Tarkanian. Rick Pitino, who failed twice. Even John Calipari, who is