New York Times: On the side of a mountain on the outskirts of Montana’s capital city, loggers are racing against a beetle grub the size of a grain of rice. From New Mexico to British Columbia, the region’s signature pine forests are succumbing to a huge infestation of mountain pine beetles that are turning a blanket of green forest into a blanket of rust red. Montana has lost a million acres of trees to the beetles, and in northern Colorado and southern Wyoming the situation is worse. “We’re …