I just watched this and thought it worthwhile to share.
The big important news in this is they are discovering that the beetles are completely ignoring certain healthy trees while attacking the unhealthy/stressed ones. So even if the beetles progress can't be checked or halted, natural selection might ensure that pines survive.
"Where will you drive your own picket stake? Where will you choose to make your stand? Give me a threshold, a specific point at which you will finally stop running, at which you will finally fight back." (Derrick Jensen)