More than eighty years after Brad Washburn first photographed Denali in Alaska, climbing buddies Renan Ozturk and Freddie Wilkinson look at some of Washburn’s images and have this crazy idea: rather than go up, their dream is to go sideways — across the range’s most forbidding peaks, the Moose’s Tooth massif. It’s a decidedly new school way to explore the same landscape Washbur…