PHOTO: Leonard Ah You was a star and popular player at his grandfather's alma mater, storied Kahuku High on Oahu's North Shore. Visit my website home page TomShanahan.Report By TOM SHANAHAN Leonard Ah You’s recent commitment to Michigan State out of Hawaii's Kahuku High tapped more than the Spartans’ famed Hawaiian Pipeline under College Football Hall of Fame coach Duffy Daugherty in the 1950s and 1960s. He is a link to a renowned family history, too. Ah You is…