Trump's intel agencies tell Congress that climate change poses national security threats

Each year the intelligence community puts together a "Worldwide Threat Assessment" report, and it inevitably scares the hell out of Congress and the public by detailing all the dangers facing the U.S. (Hint: there are a lot of them.)
This year's report, published Thursday and discussed at a congressional hearing, makes for particularly disquieting reading.
While it focuses on the increasing danger that North Korea's nuclear weapons program poses as well as cyberterrorism threats, one environment