Millions of mountain pine beetles are swarming the Rocky Mountains...looking for new trees to destroy. The Colorado State Forest Service wants residents to help stop the spread of the devastating pest before the Pike and San Isabel national forests take on a brown cast like those in Summit and Grand counties. "It's currently at an epidemic level," ... Dead trees are a sign the forest is unhealthy; they also pose a fire risk. The U.S. Forest Service... Trees are succumbing by the millions. "If the beetle is successful in getting underneath the bark of the tree, mama mates and burrows...