MOUNT MCKINLEY By Rhys Jones Seventeen-year-old Rhys Jones is just days away from his biggest climbing challenge. He's setting off to attempt to scale Mount McKinley in Alaska. If he succeeds he'll be the youngest ever British climber to reach the summit and possibly the youngest climber to traverse the mountain. With temperatures ranging from 30 celcius to minus 30 celcius he's got to be prepared. Although he's not quite so prepared about a slightly more delicate matter...