Los Angeles Times: A piece of heavy equipment called a hot saw is slicing through a high-country stand of skinny ponderosa pines like a mechanical Paul Bunyan on steroids. Nearby, a computer-programmed log processor is stripping the branches off cut trees as if it were peeling carrots. Most of the logs are no more than a foot in diameter — not big enough to properly be called timber. It’s a haul Dwayne Walker’s grandfather, who skidded fat logs out of Southwestern pine forests with mules and …