By Pat Forde Carrying surprising skill and strength with his over-7-foot-tall frame, the Gonzaga freshman is looking to lead his team to its first national title. LAS VEGAS—They are quite a sight, the Holmgren family, comfortably creating an unconventional presence inside Orleans Arena. It’s not just the towering of 7’1″ Chet, his 7-foot father and his 6’5″-ish younger sister that gets your attention. There is also the family dog who makes a postgame appearance on the court, a black lab named Slammer. And, of course, there is the camcorder. Not long after Gonzaga and Holmgren captured the West…