CNN: President Barack Obama used his commencement speech to the U.S. Coast Guard Academy in New London, Connecticut on Wednesday, to focus on a topic he called an immediate national security threat: climate change.
"Climate change will impact every country on the planet. No nation is immune," the President told the 218 graduating cadets. "Climate change constitutes a serious threat to global security, an immediate risk to our national security, and, make no mistake, it will impact how our military...