BY DENNIS HOLLIER Photo: David Croxford This year’s cohort of Pacific Century Fellows includes, from left, Jon Nouchi, James Duca, Alan Schlissel, Ian Fitz-Patrick and Kawika Kane. Deep beneath the Koolau Mountains, 30 of Hawaii’s future leaders shuffle in the gloom of the Unfinished Tunnel, a test bore from the construction of H-3’s Harano…