By Andrew Holleran Coach K and his family have been enjoying every second of this March run. Saturday night, the No. 2 seed Duke topped No. 4 seed Arkansas to reach the Final Four, where the Blue Devils will take on either North Carolina or Saint Peter’s. Throughout the NCAA Tournament, Coach K has been shown on CBS walking into the arena with his longtime wife, Mickey. It’s rare to see a head coach and his wife get so much coverage in college basketball, but hey, this is Coach K we’re talking about. The Blue Devils head coach and his wife of 50-plus years have gotten to do some nice celebrati…